The Center for Climate and Energy Solutions seeks to inform the design and implementation of federal policies that will significantly reduce greenhouse gas emissions. Drawing from its extensive peer-reviewed published works, in-house policy analyses, and tracking of current legislative proposals, the Center provides research, analysis, and recommendations to policymakers in Congress and the Executive Branch. Read More

Climate change poses national security risks at home and abroad

More than a dozen military leaders say the impacts of climate change threaten military readiness and response and will increase instability and conflict around the globe.

Their assessments are included in a recent report, National Security and the Accelerating Risks of Climate Change, by the CNA Corporation’s Military Advisory Board. The report’s authors – including 16 retired generals and admirals from the Army, Navy, Air Force, and Marine Corps – conclude that climate change impacts will act as threat multipliers and catalysts. Projected warming, changes in precipitation, sea level rise, and extreme weather events will pose risks to security within the U.S. and abroad.

At home, some of the threats are here and now. Many of the nation’s military installations are in coastal areas vulnerable to rising sea levels and storm surges. For example, the low-lying Hampton Roads area of Virginia is home to 29 military facilities. Sea level in the area is projected to rise 1.5 feet over the next 20-50 years and as much as 7.5 feet by the end of the century. One advisory board member, Brig. Gen. Gerald Galloway, stressed that “unless these threats are identified and addressed, they have the potential to disrupt day-to-day military operations, limit our ability to use our training areas and ranges, and put our installations at risk in the face of extreme weather events.”

Figure 1: Sea level rise projections for the Hampton Roads region, which is home to 29 different military facilities. Source: CNA, 2014

EPA’s proposed carbon standard for power plants is stringent and flexible

The Obama Administration today took a major step toward reducing the carbon dioxide emissions that are impacting our climate. The Environmental Protection Agency (EPA) released its “Clean Power Plan,” which leverages existing authority in the Clean Air Act to propose carbon pollution standards for existing power plants, the largest single source of U.S. carbon emissions. The proposal would cut emissions in the power sector by 30 percent by 2030, based on 2005 levels. We reviewed the basics of the Clean Power Plan with four critical questions in mind:

1. Is the standard based on emission reductions outside the power plant fence line?

The short answer is “yes.” EPA cannot require states or power plant operators to take any specific measures, but it can set the emissions target stringent enough so that it would be challenging to achieve unless certain measures are taken. EPA is proposing state-specific targets based on the capacity of each state to leverage four “building blocks.” They are:

  1. Make fossil fuel power plants more efficient.
  2. Use low-emitting natural gas combined cycle plants more where excess capacity is available.
  3. Use more zero- and low-emitting power sources such as renewables and nuclear.
  4. Reduce electricity demand by using electricity more efficiently.

Although “outside-the-fence-line” measures are not specifically required under the proposal, states would be hard-pressed to meet their targets without using programs to reduce the demand for fossil electricity, by, for example, increasing energy efficiency and encouraging renewable energy.

Looking to Figure 1, EPA has chosen the System-level Option.

Figure 1: Scope of reduction requirements

Scenarios for U.S. Electricity in 2030

Scenarios for U.S. Electricity in 2030

May 2014

By Manik Roy, Ph.D

Download the brief (PDF)

Affordable reliable electricity is a central pillar of modern life. At the same time, the generation of electricity is responsible for nearly 40 percent of U.S. carbon dioxide emissions. Advances in technology and environmental policy are driving enormous change in the power sector, which will alter its ability to provide affordable and environmentally-sustainable electricity for decades to come. The Center for Climate and Energy Solutions (C2ES) has gathered input from a diverse group of business, labor, consumer, and environmental experts to develop a set of scenarios describing the extent to which U.S. electricity in 2030 could be affordable, reliable, safe, and environmentally sound. By articulating the challenges and opportunities that the next few years may bring, C2ES hopes to equip the stakeholders to better address them.


Manik Roy

Carbon Pricing: State and Federal Options

Promoted in Energy Efficiency section: 
9:30AM – 11:30AMU.S. Capitol Visitor Center, Room SVC 202-203See video here. (Session I)See video here. (Session II)

U.S. Capitol Visitor Center
Room SVC 202-203
First St SE
Washington, DC 20515

Thursday, May 22, 2014
9:30 AM to 11:30 AM

Carbon pricing is widely viewed as a cost-effective way to reduce greenhouse gas emissions and encourage energy innovation. Different forms of carbon pricing are employed in a growing number of jurisdictions around the world. Experts join C2ES to explore options for expanding the use of carbon pricing in the United States -- in particular, as a way for states to implement upcoming federal standards to reduce carbon emissions from power plants.

Session I: Carbon Pricing - What are the Options?

See video here.

ADELE MORRIS (presentation)
Policy Director, Climate and Energy Economics Project, Brookings Institution

APARNA MATHUR (presentation)
Resident Scholar, American Enterprise Institute

Moderated by
Vice President, Markets and Business Strategy, Center for Climate and Energy Solutions

Session II: Carbon Pricing Under the Clean Air Act

See video here.

DALLAS BURTRAW (presentation)
Senior Fellow, Resources for the Future

DAVID BOOKBINDER (presentation)
Co-Founder, Element VI Consulting

BRIAN TURNER (presentation)
Deputy Executive Director for Policy and External Relations, California Public Utilities Commission

JON BREKKE (presentation)
Vice President, Membership and Energy Markets, Great River Energy

Moderated by
Senior Fellow, Center for Climate and Energy Solutions

Pricing carbon - What are the options?

Judging from the climate policy debate in Washington, one might conclude that carbon pricing is only a concept, or something being tried in Europe.

But in fact, 10 U.S. states (California and the Northeast states in the Regional Greenhouse Gas Initiative) have carbon trading programs. That means more than a quarter of the U.S. population lives in a state with a price on carbon. And a growing number of nations and provinces around the globe are turning to carbon pricing to cost-effectively reduce greenhouse gas emissions and encourage energy innovation.

Over the years, C2ES has closely examined the many ways available to price carbon, including a cap-and-trade system, an emissions tax, and a clean energy standard with tradable credits.

A Carbon Tax in Broader U.S. Fiscal Reform: Design and Distributional Issues

A Carbon Tax in Broader U.S. Fiscal Reform: Design and Distributional Issues

May 2014

By Adele Morris and Aparna Mathur

Download the full report (PDF)

This report examines the issues and options for designing a carbon tax in the United States. Reviewing the rationales for a carbon tax in the context of broader fiscal reform, it explores design issues, environmental benefits and the options for using the resulting revenue.


This report examines the issues and options for designing a carbon tax in the United States. Reviewing the rationales for a carbon tax in the context of broader fiscal reform, it explores design issues, environmental benefits and the options for using the resulting revenue.
Adele Morris
Aparna Mathur

What to watch in EPA’s power plant carbon emissions proposal

On June 2, the Environmental Protection Agency (EPA) is expected to release its proposal to cut carbon dioxide (CO2) emissions from existing power plants. This proposal is a key element of President Obama’s Climate Action Plan, and will be critical to reducing U.S emissions of CO2, the most common greenhouse gas contributing to climate change.

The proposed rule, being developed under EPA’s authority under Section 111(d) of the Clean Air Act, could be groundbreaking for at least two reasons. First, it has the potential to drive major reductions in the highest emitting sector in the United States – the power sector – which is responsible for nearly 40 percent of U.S. carbon emissions.  Second, EPA has indicated that the proposal will include a number of novel policy provisions to advance low-emitting generation and energy efficiency.

At C2ES, we’ll be looking for answers to four key questions as we read through EPA’s proposal. These questions are expanded upon in our new brief, Carbon Pollution Standards for Existing Power Plants: Key Challenges.

C2ES Comments on Proposed EPA Rule for New Power Plants

Summary of C2ES May 2014 comments on EPA’s proposed “Standards of Performance for Greenhouse Gas Emissions from New Stationary Sources: Electric Generating Units.”

Read the full comments here (PDF).

On September 20, 2013, EPA proposed carbon dioxide emission standards for new power plants in implementing its authority under section of 111(b) of the Clean Air Act. More information on the proposed rule can be found here. On May 7, 2014 C2ES submitted formal comments to EPA in response to the proposed rule. You can read those comments here, which are summarized below.

Market-based measures preferred: A comprehensive market-based approach would be a more efficient and effective way of reducing greenhouse gas emissions. This would require congressional action, which is unlikely in the near term. In the absence of legislation, C2ES believes EPA must proceed using its existing authorities under the Clean Air Act.

Comprehensive energy strategy needed: The United States needs a comprehensive energy strategy that advances low-emitting uses of coal and natural gas, nuclear power, renewable energy, and efficiency. Carbon capture and storage (CCS) must be an element in this strategy.

Importance of a CCS requirement: EPA’s proposed rule would essentially require any new coal plant to employ CCS technology to capture approximately 40 percent (at minimum) of its carbon dioxide (CO2) emissions and store this captured CO2 underground. Due to the availability of inexpensive natural gas and other market factors, no new coal plants are projected in the near term. However, significant increases in natural gas prices may renew interest in new coal plants. If this occurs, a CCS requirement as proposed by EPA will ensure that these new coal plants do not exacerbate the challenge of reducing greenhouse gas emissions.

CCS experience: There are about 50 commercial-scale CCS projects in the power and industrial sectors in various stages of development across the globe, including 12 already in operation in a variety of industrial plants in the United States. All of these plants transfer the captured CO2 to enhanced oil recovery projects (CO2-EOR). CO2-EOR has been used in the United States for 40 years to coax additional production from existing oil wells while reliably storing CO2. Since this process attaches a value to captured CO2, it has been and will continue to be critical in the deployment of CCS in the power sector.

A CCS requirement is only part of the solution: There are several barriers to the deployment of CCS on new coal plants. For one, even if there were an economic reason for a power company to build a new coal plant, there would be no economic or regulatory reason to include CCS. Additionally, CCS technology is currently very expensive, especially compared to a new natural gas power plant. The proposed rule addresses the former problem, but not the latter. Federal financial support through tax credits, such as the Expanding Carbon Capture through Enhanced Oil Recovery Act of 2014, and/or grants is also critical to help technology companies and power providers gain experience and reduce the costs of CCS.

Flexibility mechanisms: In addition to a regulatory requirement and financial support, power companies need time to bring CCS to the point of being cost competitive with other low- and no-carbon power generating technologies. We therefore encourage EPA to consider provisions to allow for flexibility in compliance with the CCS requirement, such as a 20-year emissions averaging period or a few years of lead time before capture is required on plants built after the rule goes in place.  

Natural gas standard: Since there are circumstances whereby it is necessary to run gas plants at less than peak efficiency to minimize the systematic emissions of the power system – for example, to back up intermittent renewable sources of electricity – we encourage EPA to ensure that the proposed standards for natural gas plants are achievable for new combined cycle plants under all likely operating conditions.

Relationship with standard for existing plants: The relationship between EPA’s greenhouse gas standard for new power plants and the standard for existing plants is currently unclear. We request that EPA provide guidance on this point to reduce uncertainty for power companies and state regulators.

Eileeen Claussen's Statement on the National Climate Assessment

Statement of Eileen Claussen
President, Center for Climate and Energy Solutions

May 6, 2014

The Third National Climate Assessment makes clearer than ever that climate change is taking a toll here and now, and that it poses growing risks to communities across the country.

Based on an exhaustive review of the latest scientific evidence, the report brings it home to Americans that we are not immune to threats posed by climate change to our infrastructure, water supplies, agriculture, ecosystems, and health.

The impacts vary from region to region – more competition for water in the arid West, more heavy downpours in the Northeast and Midwest, and rising sea levels fueling powerful storm surges along the Gulf Coast. What is clear is that every region faces impacts that could be costly and severe.

Motivated in part by the billions in damages caused by recent extreme weather events, many companies are starting to take action to build their climate resilience, as documented in our “Weathering the Storm” report.

Companies, communities, and individuals all need to better manage climate risks, both by reducing carbon emissions and by becoming more climate-resilient. Investments in mitigation will give our adaptation efforts a greater chance of success.

We agree with the NCA: More must be done across the public and private sectors to reduce -- and to safeguard ourselves against -- the rising risks of a warming planet.
Contact Laura Rehrmann, rehrmannl@c2es.org or 703-516-0621


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