Climate change is a global challenge and requires a global solution. Through analysis and dialogue, the Center for Climate and Energy Solutions is working with governments and stakeholders to identify practical and effective options for the post-2012 international climate framework. Read more


The Clean Development Mechanism: A Review of the First International Offset Program

March 2011

By: Michael Gillenwater and Stephen Seres

Download this paper (pdf)

Michael Gillenwater
Stephen Seres

An Evolving Climate Regime: Cancun and Beyond

Promoted in Energy Efficiency section: 
A presentation and discussion of the Pew Center's report The Evolution of Multilateral Regimes: Implications for Climate Change.

Featuring Daniel Bodansky, Lincoln Professor of Law, Ethics and Sustainability, Arizona State University and Elliot Diringer, Vice President for International Strategies, Pew Center on Global Climate Change

When: Friday, March 25, 2011, 1:30 to 3:00PM

Where: Johns Hopkins University SAIS - Kenney Auditorium, 1740 Massachusetts Avenue NW, Washington D.C., 20036

Daniel Bodansky and Elliot Diringer will present the Pew Center's report The Evolution of Multilateral Regimes: Implications for Climate Change. The report examines why and how most international regimes evolve gradually, rather than through dramatic step-changes. It outlines evolutionary pathways within and outside the UN Framework Convention on Climate Change (UNFCCC) that can promote stronger near-term action while building a sturdier foundation for a future binding agreement.


About the speakers:
Daniel Bodansky is the Lincoln Professor of Law, Ethics and Sustainability at Arizona State University's Sandra Day O'Connor College of Law. Mr. Bodansky served at the US State Department as the Climate Change Coordinator from 1999-2001 and as an attorney-advisor from 1985-1989. Prior to joining the ASU faculty in 2010, he held the Woodruff Chair of International Law at the University of Georgia and was a professor of law at the University of Washington. His recent book, The Art and Craft of International Environmental Law (Harvard Univ. Press 2010) was awarded the 2011 Harold & Margaret Sprout prize from the International Studies Association as the best book this year on international environmental politics.

Elliot Diringer is Vice President for International Strategies at the Pew Center on Global Climate Change.  He previously served at the White House as Deputy Press Secretary to President Clinton, and as Senior Policy Advisor and Director of Communications at the Council on Environmental Quality. Before coming to Washington, Mr. Diringer was an environmental journalist at the San Francisco Chronicle and a Nieman Fellow at Harvard University.



Global Climate Landscape - Elliot Diringer on Australian National Radio

Promoted in Energy Efficiency section: 

March 2011

Click here to listen to the interview and read the transcript.

Elliot Diringer, Vice President for International Strategies, discusses what actions the United States, China, Europe, and Australia are taking in regard to climate change and clean energy in an Australian Broadcasting Corporation Radio National interview.

"I worry that countries like the United States and Australia risk cutting their long-term economic throats by not positioning their economies to compete in the 21st century economy. And this is exactly what we see China doing,"  says Diringer. "China is moving on this issue I think in part because it recognises that it like everyone else faces some serious consequences as the planet warms. I mean they have a fairly large population, and things like drought and flooding and sea level rise are very real threats. But what I see in China is that there is also an ability at the leadership level to take the long view here. The over-riding priority for them is strong, sustained economic growth. But they recognise that they can't achieve that, relying over the long term, on exhaustible resources, so they are beginning to make the transition towards sustainable resources, and they're investing very heavily with clean energy and renewable energy, far more heavily than anyone else at this point."

From Cancún to Durban: Changing the Paradigm?

Remarks by Elliot Diringer

International Dialogue: “Implementing Cancún Agreements”

Government of Mexico, Mexico City – March 22, 2011


Thank you, Minister Espinsoa, for the kind introduction, for the invitation to participate in today’s dialogue, and for the opportunity to share some thoughts this afternoon on behalf of the Pew Center.

I’d like to begin by taking a few moments to pay tribute to our host, the Mexican government, and to the extraordinary leadership Mexico has provided, and continues to provide, on the issue of climate change. Please believe me – I am not simply being polite. I am quite sincere in offering these words of thanks. 

It has been my pleasure and privilege to work for many years with dedicated public servants like Fernando Tudela, who has labored tirelessly to advance this cause here at home and abroad; and, more recently, with relative newcomers like Ambassador de Alba, whose multilateral spirit and skill contributed in no small measure to the recent success in Cancún.

Of course these soldiers on the front lines would not have such success without the support and leadership of those at the top. Minister Espinsosa, I can’t tell you what a pleasure it was to witness the clarity, composure and confidence with which you presided over the Cancún conference. And I must of course recognize the leadership of President Calderon, who has devoted the kind of personal and sustained attention to this issue that one hopes all world leaders will in time.

But what is especially gratifying to me is that Mexico’s leadership did not end in Cancún. The fact that we are here today, and the fact that Ministers are gathering here tomorrow, is testament to an enduring commitment to see that the promise and the possibilities of Cancún are indeed fulfilled.

The promise and the possibilities of Cancún – that is what I would like to speak about this afternoon. Over the years, as a journalist, as an official, and for 10 years now with the Pew Center, I’ve had the opportunity to follow and participate in the climate negotiations. 

I’ve been there for the lows, and for the highs. And in my estimation, Cancún very definitely ranks among the high points in this long collective struggle.

By many measures – not least the needs of our planet – the outcome in Cancún was a modest one.  It by no means guarantees that we will meet our long-term goal of limiting warming to 2 degrees. Nor does it provide the degree of certainty the business community is looking for to help drive investment in the near term.

But measured against the years of stalemate that preceded it, Cancún was a major step forward. In fact, the Cancún Agreements represent the most tangible progress we’ve been able to achieve within the UN climate talks in nearly a decade. The challenge before us now is to build on Cancún – to keep moving forward – andto avoid the temptation to slip back into the squabbles that had kept us at an impasse for so many years.

This will not be easy. It requires a new way of thinking about the multilateral climate effort – a new mindset, a new paradigm. Cancún may have launched us in this new direction.  But it’s still too early to know. Depending on how we handle the decisions now before us, it may in the end prove just a momentary lapse of sanity in an otherwise dysfunctional process.

Let me explain what I mean by drawing on an analysis we undertook after Copenhagen. Most viewed Copenhagen as a failure because it did not produce a legally binding agreement.  At the Pew Center, we wanted to understand this so-called failure in a broader context; and we wanted to better understand the options for moving forward. We thought that, to do that, it would be instructive to look at the experiences of other multilateral regimes.  How did these regimes come into existence, and more to the point, how did they progress? We looked at other environmental agreements, the trade regime, human rights agreements, and others.

What we saw was that international regimes don’t generally emerge fully formed. No, most grow incrementally over time. They evolve. They expand in scope and in membership. They develop stronger institutions. They move from general, voluntary obligations to specific binding commitments. And all of this takes time.

In the case of climate change, the Framework Convention adopted in Rio in 1992 anticipated this type of incremental, evolutionary process. But soon after its entry into force, parties decided to accelerate the regime’s evolution. They launched a new round in 1995 that led just two years later to the Kyoto Protocol. This represented not an evolution, but a radical step-change, moving in one big leap from a largely voluntary framework to a legally binding system of targets and timetables. For 15 years now, since the start of the Kyoto negotiations, the primary aim of the international negotiations has been to establish, and then to extend, this legally binding regime.

Parties did succeed in establishing a binding regime, despite the withdrawal of the United States. And the Kyoto Protocol is without doubt a major achievement, on many levels. But as we all know, its impact has been limited. And the effort to extend or to expand this legally binding structure has been locked in a perennial stalemate for years. The political conditions simply are not there.

Looking first to the north, to my own country, the United States – I’m happy to get into particulars later if you would like, but for now let me just say this: Without stronger consensus for action at home, the United States cannot commit abroad – and that will take time. 

But even apart from the situation in the U.S., the reality is that few if any of the developed countries will take new binding commitments unless China and the other major emerging economies do as well, which they insist they will not.

This is the circular conundrum we’ve been stuck in, literally, for years. And unfortunately, in our preoccupation with binding outcomes, we have largely overlooked other ways to strengthen the multilateral effort short of binding commitments. In effect, the mentality has been binding or nothing.

Given the political conditions – or lack thereof – it was of course entirely predictable that Copenhagen would fail to deliver a binding agreement.  But that does not mean Copenhagen was a failure. The Copenhagen Accord, while only a political agreement, and while not formally adopted by parties, reflected consensus among world leaders on most of the key issues before them. And it produced specific, quantified mitigation pledges from more than 80 countries – the first time, in fact, that such pledges were made by all of the world’s major economies, both developed and developing.

What’s more, Copenhagen helped set the stage for success in Cancún. I saw the issues in Cancun falling into two baskets. The first contained the legal issues – basically, anything at all relating to the question of binding commitments: whether countries would take binding commitments; which countries; when; in what form.  Included here, by implication, was the fate of the Kyoto Protocol. On all of these issues, countries were very far apart, as they have been for years, and there was very little chance of meaningful compromise. Japan was perhaps the most open in its refusal to take a new Kyoto target, but many if not most developed countries were in exactly the same place.

The second basket contained the operational issues – finance; measurement, reporting and verification; adaptation; technology and forestry. These are all things that were addressed to one degree or another in the Copenhagen Accord. What’s important to understand is that progress on these issues does not require any new legal agreement. Each of them can be advanced in tangible ways under the Convention and the Protocol by decisions of the parties. Which is exactly what was achieved in Cancún. The Cancún Agreements are a package of decisions by the parties. And what that package does, in large measure, is to import the essential elements of the Copenhagen Accord into the UN climate system and take initial steps to implement them.

What this represents is incremental progress – evolutionary progress – the kind of progress that had eluded us for years because we were so preoccupied with binding outcomes. So we were able to move forward in Cancún on this second basket – the operational issues. But we were able to do so – and this is an important point – only because parties were willing to put aside their differences on the first basket, the legal issues. For the moment at least, they were willing to move beyond binding or nothing.

Why? To what do we owe this success? I can think of a number of factors. First, I must again cite the leadership of our Mexican hosts. I honestly can’t think of a presidency that has done a better job preparing and managing the negotiations – all through the year, right up until the final moments.

I think a second reason for Cancún’s success was that the two big elephants in the room – the United States and China – were getting along better than they were a year earlier in Copenhagen.

But perhaps the strongest reason for Cancún’s success was the palpable sense among parties that the process itself was at stake. Another major failure would have been crippling if not fatal to the whole enterprise. So parties that before might have insisted on binding or nothing were willing to declare a package of incremental steps a major achievement – if for no other reason than to keep intact the process they desperately hope will deliver much more down the road.

There was, in other words, a much greater sense of realism in Cancún. Unlike the false expectations ginned up for Copenhagen – false expectations that inevitably doomed it to “failure” – everyone was more realistic about what actually could be achieved. 

Can we count on this greater sense of realism going forward? We still have both baskets of issues – the operational and the legal. Will parties be prepared to make further progress on the one even if they can’t make progress on the other? That, I believe, is the critical issue for Durban.

The Cancún Agreements present us with an important opportunity – an opportunity for a more evolutionary path forward. What could that mean? It could mean a new, equitably managed climate fund, one that provides direct access for developing countries, and provides the kind of accountability that will help encourage developed countries to actually contribute the sums that are need. It could mean a stronger, more balanced system of transparency, so that all of the major economies are regularly reporting on their efforts, just as they do in the IMF, the World Bank, the Montreal Protocol and many other regimes, and everyone can see how everyone else is doing in fulfilling their pledges.

It could mean at long last a mechanism to deliver effective adaptation assistance to developing countries that are being forced to cope already with new hardships resulting from a problem they did not create. It could mean new mechanisms to help equip tropical countries to protect their forests, and to promote the deployment of low-carbon technologies. On all of these, the Cancún Agreements provide a first step, but only a first step. Completing the work program laid out in the Cancún Agreements is an enormous task, one that could easily occupy all the available negotiating time between now and Durban, and beyond as well. 

I see plenty of reasons to invest the effort in this more evolutionary path forward. Let’s imagine for a moment that we fully implement the new elements agreed in Cancún, and that at the same time countries move forward with actions at home to implement their pledges. Where will this path take us? By mobilizing resources and increasing transparency, it will help strengthen action in the near term. It will help build confidence among parties – confidence in themselves, confidence in one another, and confidence in the regime itself.  And in so doing, it will help build a stronger foundation for binding commitments later on down the road.

But what about that second basket of issues – the legal Issues? I want to be clear on this point: I continue to believe that in the long run we will be best served by a fair, effective and binding agreement. That’s not because I believe a binding agreement is any guarantee of a country’s performance – Canada’s open flouting of the Kyoto Protocol is the obvious case in point.

At the end of the day, though, legal obligations do represent a higher level of commitment. On the whole, I believe, they provide countries with stronger confidence that others will do what they’ve promised. And with this greater sense of confidence and reciprocity, countries are more likely to put forward their strongest possible efforts. Which is truly what we need – our strongest possible efforts.

So for me, the question is not the desirability of binding outcomes. The question is what, if anything, countries are prepared to say about them at this stage. The way the issue was finessed in Cancún was essentially to sidestep it. The Cancun Agreements of course extend the perennial Kyoto negotiations, but otherwise they are without prejudice to the “prospects for, or the content of, a legally-binding outcome in the future.”

But sidestepping the issue will not be so easy in Durban. Any hope of avoiding a commitment gap under Kyoto requires agreement in Durban on a second commitment period. I, for one, believe that is no more likely in Durban than it was in Cancún. But some are not yet prepared to abandon that hope – or demand – however remote the odds of it being fulfilled.

So I believe that if we are to have any further progress in Durban on the operational side, the legal issues will again have to be finessed. This time, I think, the answer is to address them directly, even if only generally. Even if parties cannot agree on the form or the timing of a future legal agreement, they should be willing to declare unequivocally that it is in fact their intent to work toward legally binding outcomes. We should be clear that the phase begun in Cancún is not the endpoint. We are not locking ourselves into permanent pledge-and-review.  Rather, it is an evolutionary step toward a fair, effective and binding international framework. 

We’ll have a better sense next month in Bangkok whether the realism of Cancún is likely to carry over to Durban. Are parties prepared for a new, more productive phase focused on the nuts and bolts of regime-building? Or will we revert to binding-or-nothing? Are some so attached to Kyoto that they are willing to forego further concrete progress? Or will they be open to a new paradigm? Only when we know the answers to those questions will we know whether the possibilities and the promise of Cancún can be realized. 

These, I believe, are the choices before us. Making the right choices will require creativity, compromise and, above all, realism. I’d like to conclude by again thanking our hosts for the opportunity to share these thoughts with you, and by thanking you all for listening.

Women Leadership in Climate Change Action

Q&A with Eileen Claussen

Originally published by Australian Centre for Leadership for Women as part of an expert panel on climate change, Empowering Women to Lead the Way in Climate Change Action


What are the main drivers for you in believing in climate change and taking action?

The issue of climate change is not about belief but science. The scientific community has reached a strong consensus regarding the science of global climate change.  The overwhelming majority of climate scientists believe the warming of the earth is unequivocal. This warming is largely the result of emissions of carbon dioxide and other greenhouse gases from human activities, including industrial processes, fossil fuel combustion, and changes in land use, such as deforestation. Enough is known about the science and environmental impacts of climate change for us to take actions now to address its consequences. In the words of the U.S. National Academy of Sciences 2010 report to Congress: “It is unequivocal that the climate is changing, and it is very likely that this is predominantly caused by the increasing human interference with the atmosphere. These changes will transform the environmental conditions on Earth unless counter-measures are taken.”


Can you explain how the cap and trade emissions trading program operates and why do you advocate this program over the emissions tax option?

A cap-and-trade system is one of a variety of policy tools that exists to reduce the greenhouse gas emissions responsible for climate change. I believe it is the best tool because it offers environmental certainty (a cap) and economic flexibility (ability to reduce emissions in places where it’s most cost-effective). Once established, a well-designed cap-and-trade market is relatively easy to implement, can achieve emissions reductions goals in a cost-effective manner, and drives low-greenhouse gas innovation.

The key difference between a tax and the cap-and-trade approach comes down to the issue of certainty and environmental benefit. A tax provides cost certainty; the cost is fixed because of the tax. Cap and trade, on the other hand, provides environmental certainty because of the cap. With a carbon tax, many emitters will reduce their emissions rather than pay the tax.

In more detail … In a cap-and-trade program, the government determines which facilities or emissions are covered by the program and sets an overall emission target, or “cap,” for covered entities (firms held responsible for emissions). This cap is the sum of all allowed emissions from all included facilities. Once the cap has been set and covered entities specified, tradable emissions allowances (rights to emit) are distributed (either auctioned or freely allocated, or some combination of these). Each allowance authorizes the release of a specified amount of greenhouse gas emissions, generally one ton of carbon dioxide equivalent (CO2e). The total number of allowances is equivalent to the overall emissions cap (e.g., if a cap of one million tons of emissions is set, one million one-ton allowances will be issued). Allowance trading occurs because firms face different costs for reducing emissions. For some emitters, implementing new, low-emitting technologies may be relatively inexpensive. Those firms will either buy fewer allowances or sell their surplus allowances to firms that face higher emission control costs.


I understand that the Pew Center has produced 85 peer-reviewed reports on climate change in an effort to demystify the subject for members of Congress and interested companies. Can you point out what has been the focus of this effort in relation to what exactly the Center has aimed to demystify and how do you regard the outcomes of this effort in leading the Pew Center on Climate Change?

As a non-profit, non-partisan and independent organization, the PewCenteron Global Change does its best to provide credible information, straight answers, and innovative solutions to addressing climate change. One of the Center’s goals is to demystify a wide range of topics that are critical to the issue of climate change, from the science and impacts, to the economics, to policies, and solutions. Our goal is to provide the best information - in an understandable way - so that policy makers and stakeholders can make informed decisions.

More than any other area, I believe our greatest impact has and continues to be engaging the business community on climate and clean energy policy and solutions. When the PewCenterbegan in 1998, only a handful of brave firms were willing to address the issue. Now our Business Environmental Leadership Council (BELC), which started with 13 companies in 1998, includes 46 mostly Fortune 500 corporations committed to advancing effective and mandatory climate action. In stark contrast to 13 years ago, all of these firms have a good understanding of the issue and have been active in the policy debate.

While a great deal of work remains to be done, I firmly believe the U.S. climate debate is much further along because of the vocal leadership of many progressive businesses. These business leaders understand the significant opportunity for economic growth in a clean energy future. But unleashing the investments necessary to capitalize on these opportunities requires the certainty that can only come with government policy. And that is an effort we continue to work toward with forward-thinking members of the business community. 


What do you see as some of the best practice solutions which US businesses have put in place to tackle climate change problems?

Energy efficiency is one key area where businesses are taking action that delivers tangible environmental benefits and saves substantial amounts of money in the process. A comprehensive PewCenterstudy released in April 2010 found that leading companies that give greater attention to energy efficiency have realized billions of dollars in savings and millions of tons of avoided greenhouse gas emissions. The report, From Shop Floor to Top Floor: Best Business Practices in Energy Efficiency, documents leading-edge energy efficiency strategies, describes best practices, and provides guidance and resources for other businesses seeking to reduce energy use in their internal operations, supply chains, and products and services. We are now involved in an assessment of how companies do clean energy innovation, and hope that this analysis and the report we will issue will also be of great value to those in the business sector.

Through our employee-engagement program – Make An Impact– we also know there is a large appetite among employees to learn about constructive solutions to reduce energy use that saves money and helps the climate. By arming their employees with tools to address our climate-energy challenges, companies find great benefits in employee morale and performance.


With recent studies showing that the media in the U.S. continues to indicate that climate change science is contentious or does not have any consensus, how do you in your role deal with this environmental skepticism?

The attacks on climate science – mostly dishonest claims driven by ideology and profit – have proven highly effective at misleading the public and souring its support for climate action. Other factors like the down economy make advancing climate policy an uphill battle, but the well-orchestrated, well-funded campaign to discredit climate science is an influential barrier to progress.

To help overcome this obstacle, the PewCentereducates diverse audiences, including business leaders, policy makers, and the public about the strong, clear science behind climate change. Scientists may disagree on some details, like individual weather events, but they have an astonishing level of consensus on the basics:  The planet is warming and human activities are primarily responsible for the warming that has occurred since the mid-20th century.

While we believe the science is indisputable, we know that others do not. So it’s critical to frame the issue in different ways for different audiences while advancing the ultimate goal of reducing greenhouse gas emissions. Talking in terms of energy security or economic opportunities in clean energy are two examples that resonate with people who are not swayed by the science. As President Obama has said: There’s more than one way to skin a cat.

Discussing climate action in terms managing risk is another way to reach audiences that question climate science. This approach is often used by national security experts, and it forces people to consider the level of risk they are willing to live with and steps they can take to minimize that risk. Risk management is a formal version of choices that families regularly make when buying insurance, deciding where to live, or investing in retirement accounts. It’s an approach that offers a way forward on the complicated and highly politicized issue of climate change. And our knowledge of climate impacts, while not perfect, is much stronger than evidence security experts rely on to make decisions regarding highly sensitive topics such as nuclear proliferation or the actions of rogue states.    


How can communication about the risks and opportunities of climate change be improved to effect change and action?

To generate greater support for action, the public needs a clearer understanding of the impacts likely to become more common in a warming world. The reality is that talk of global average temperatures does not reach people; we need to make the impacts more tangible. I believe this starts with telling compelling stories about impacts occurring in people’s own backyards. From garden club members to city planners, people are being forced to address climate impacts. Their stories, and the connection to changes in our climate, need to be more clearly communicated to broader audiences.

The PewCenteralso uses extreme weather events as a teaching tool to educate the public about our vulnerabilities to climate change. The fact is that we need to take action now, or we are simply loading the dice for more extreme weather events in the future. We will see more events such as the unprecedented seasonal flooding in Australia, the 2010 Russian heat wave and flooding in Pakistan. We will see more extreme winter snow storms that blanketed the U.S. Midwest and Northeast this year. It is imperative that we start to take action now to reduce emissions and adapt to unavoidable climate change.

These impacts translate into the costs of inaction. While opponents of climate policy attack the costs of regulation as a reason for inaction – and surely there are costs – the overwhelming analysis shows that the benefits of action far outweigh the costs. This message needs to be more clearly communicated so the public better understands the benefits of climate action, or conversely, the costs we face by not reducing greenhouse gas emissions.


There have been many reasons put forward as to the failure of the Obama Administration's Climate Change legislation being passed in the Senate in 2010. To what do you attribute this failure?

Passing comprehensive climate and energy legislation through the U.S. Congress was a huge lift under the best of conditions. It required the White House to lay out a legislative roadmap and push its agenda through Congress. The President also needed to use the bully pulpit to help make the case for climate action to voters. Unfortunately, this did not happen.

The poor economy was a major reason that impacted the climate and energy debate in Congress last year. Unemployment was at an all-time high, and Americans were more concerned about creating jobs than anything else. Another issue was the health care debate. Passing that legislation used up a great deal of political capital, and it took time away from addressing other issues, including climate and energy. Climate change also became too politically contentious and there was not the bipartisan support necessary to pass the legislation. 


What do you see as being significant about the Cancun climate change achievements?

The agreement reached in Cancún in December fills in many key missing elements of the 2009 Copenhagen Accord, including a stronger system of support for developing countries and a stronger transparency regime to better assess whether countries are keeping their promises. The Cancún Agreements also mark the first time that all of the world’s major economies have made explicit mitigation pledges under the U.N. Framework Convention on Climate Change.

Of course, the ultimate goal of the continuing international talks must be a comprehensive binding climate treaty. That’s the goal of the journey we started on this issue way back in 1992 at the Earth Summit in Rio. But in Cancún we saw countries agreeing on incremental steps that will deliver stronger action in the near term and, we hope, will keep the world on course toward someday agreeing to binding commitments.

Q&A with Eileen Claussen -- Published by Australian Centre for Leadership for Women

Updated Climate Change 101 Series Released

Kicking off the new year, we released an update of its Climate Change 101 series. Climate Change 101: Understanding and Responding to Global Climate Change is made up of brief reports on climate science and impacts; adaptation measures; technological and business solutions; and international, U.S Federal, State, and local action. Last released in January of 2009, the updated reports highlight the significance of the global negotiations, climate-related national security risks, local efforts to address climate change, the most recent predictions on global temperature changes, and more.

Updated Website, Climate Change 101 Series Deliver Credible Information to Advance Climate Action

Press Release
March 3, 2011

Contact: Rebecca Matulka, 703-516-4146


Pew Center Updates Website and Climate Change 101 Series

WASHINGTON, DC – Public opinion continues to be divided on climate change and its causes, and as a result, public access to credible, digestible information about climate change is more critical than ever. To help advance a constructive dialogue that leads to climate action, the Pew Center on Global Climate Change refreshed its website and updated its landmark Climate Change 101 report series.

“Now more than ever, the public needs straight answers about climate change,” said Eileen Claussen, President of the Pew Center on Global Climate Change. “The Pew Center is continuing its work to demystify the issue, and our updated website and report series present straightforward and useful climate change information.”

With a fresh new design and easy-to-navigate organization, the Pew Center’s website provides access to the center’s first-rate analyses and publications of key climate issues. One new website feature is the publications library, which allows users to search for and order free copies of Pew Center reports. The website puts the Center’s Climate Compass blog front and center, and presents timely ideas and insights from science and policy experts on topics critical to the climate debate.

The fast-reading Climate Change 101: Understanding and Responding to Global Climate Change includes nine brief reports and helps inform the climate dialogue by providing a reliable and understandable introduction to global climate change. The updated reports highlight the significance of the global negotiations, climate-related national security risks, local efforts to address climate change, the most recent predictions on global temperature changes, and more.

For more information about global climate change and the activities of the Pew Center, visit

# # #

The Pew Center on Global Climate Change was established in May 1998 as a non-profit, non-partisan, and independent organization dedicated to providing credible information, straight answers, and innovative solutions in the effort to address global climate change. The Pew Center is led by Eileen Claussen, the former U.S. Assistant Secretary of State for Oceans and International Environmental and Scientific Affairs.

Sixth Independent Investigation Clears "Climategate" Scientists

In late 2009, more than 1,000 emails belonging to the Climatic Research Unit (CRU) at the University of East Anglia in the United Kingdom were disclosed without authorization by an unknown party. The contents of a relatively small number of the email messages became the basis for the controversy commonly known as “Climategate.”

Prior to any investigations, my initial read of the emails found some unbecoming behavior by a few individual scientists but no indication of scientific misconduct, like hiding data or suppressing scientific debate.

In the course of 2010, five investigations—three in the U.K. and two in the United States—cleared scientists working for the CRU and an American scientist working at Penn State University of any scientific wrongdoing.

Post-2012 International Climate Policy Briefs

Climate change is a global challenge and requires a global solution. This series is part of ongoing work by the Center for Climate and Energy Solutions to help clarify issues and options in the international climate change negotiations, and to identify practical and effective options for the post-2012 international climate framework.


Post-2012 policy brief series:

Common Metrics: Comparing Countries' Climate Pledges: To enable a better understanding of the mitigation pledges offered under the Copenhagen Accord and the Cancún Agreements, this analysis converts the 2020 pledges of the major economies into four common metrics: percent change in greenhouse gas emissions from 1990; percent change from 2005; percent change from “business as usual” and; percent change in emissions intensity from 2005.

Strengthening International Climate Finance: With climate finance needs in developing countries projected to grow significantly in coming decades, governments are considering steps under the UN Framework Convention on Climate Change (UNFCCC) to strengthen international climate finance. Key steps include: establishing a new multilateral climate fund with an independent board under the guidance of the UNFCCC Conference of the Parties (COP); a new UNFCCC finance body to advise the COP and promote coordination among funding institutions; a registry mechanism to link finance to mitigation actions; and stronger procedures for reporting and verifying flows.

Strengthening MRV: A central issue in negotiations under the United Nations Framework Convention on Climate Change (UNFCCC) is how best to provide for the measurement, reporting, and verification (MRV) of parties’ mitigation actions and support. This brief describes and evaluates existing requirements under the UNFCCC and the Kyoto Protocol, and outlines recommendations for building on these mechanisms to establish a more robust MRV system. This enhanced system should include significantly strengthening the existing system of reporting and expert review, and establishing a new mechanism for peer review of mitigation actions. Peer review and expert review would together constitute the international “consultations” and “analysis” envisioned in the Copenhagen Accord.

MRV: A Survey of Reporting and Review in Multilateral Regimes: This brief examines reporting and review practices in other major multilateral regimes, and drawing on these examples, outlines the essential elements of an enhanced system of MRV under the United Nations Framework Convention on Climate Change (UNFCCC). To move the climate MRV system closer to the norms set by other multilateral regimes, the next stage in its evolution should entail significantly strengthening the existing system of reporting and expert review, and establishing an additional layer of peer review.

Verifying Mitigation Efforts in a New Climate Agreement: A new global climate agreement will be most effective if parties are confident that it enables them to assess how well others are fulfilling their obligations. This can be achieved through a rigorous system of measurement, reporting, and verification. Key elements should include: annual emission inventories for all major greenhouse gas-emitting countries; national verification of mitigation commitments and actions in accordance with international guidelines; regular reports from parties detailing their implementation and verification of their commitments and actions; and expert review of parties’ inventories and implementation reports. Beyond verification, a new agreement should provide for a clear determination of whether a party is in compliance with its commitments. The compliance approach should be largely facilitative, rather than punitive, geared toward helping to identify and overcome obstacles to implementation.

Comparability of Developed Country Mitigation Efforts: The “comparability” of climate mitigation efforts undertaken by developed countries can be assessed in many different ways. Some relevant factors, such as emissions, population, and GDP, are readily quantified and compared; others, such as a country’s geography, economic structure, or trade profile, are not. Given the multiplicity of factors at play, parties are unlikely to agree on an explicit formula to determine, or to assess the comparability of, their respective efforts. Rather, efforts are likely to be agreed through political bargaining in which countries emphasize the metrics and national circumstances that most favor their positions. The outcome will likely rest on parties’ mutual assessments of one another’s efforts, employing the criteria they deem most relevant.

Additional Resources:

Climate change is a global challenge and requires a global solution. Greenhouse gas emissions have the same impact on the atmosphere whether they originate in Washington, London or Beijing. Consequently, action by one country to reduce emissions will do little to slow global warming unless other countries act as well. Ultimately, an effective strategy will require commitments and action by all the major emitting countries.

Cancun De-Brief: Reflections on COP-16 in Cancun and Implications for U.S. Businesses

Promoted in Energy Efficiency section: 
In December 2010, the 16th Conference of Parties assembled in Cancun to revisit the Kyoto Protocol and seek to develop a worldwide consensus on regulating greenhouse gas emissions in developed and developing countries. Continuing on the overwhelming energy seen in the previous year's conference in Copenhagen, there were significant successes and failures realized through this annual, which saw thousands of delegates worldwide descend upon Cancun to participate in the official UN events as well as related business conferences.

The webinar was presented by ACCO and included discussions on the successes and failures of COP-16, and the impacts this event will have on the US policymaking process at Federal and sub-national levels.
Webinar participants include:
  • Dr Jonathan Pershing, Deputy Special Envoy for Climate Change, US Department of State
  • Elliot Diringer, Vice President, International Strategies, Pew Center for Global Climate Change
  • Denise Sheehan, Executive Director, The Climate Registry

Click here to listen to the full webinar

Click here to download the presentations

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