Library

For a closer look at the issues and our work, here’s a searchable collection of C2ES reports, briefs, maps, videos, speeches, articles, testimony and other public comments.

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Decoupling Policies

Under the present rate structures in U.S. energy markets, utilities’ revenues depend on the amount of energy they produce and deliver to consumers. This system discourages utilities from enacting conservation and efficiency measures because they would decrease sales, and therefore …

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Energy Efficiency Standards and Targets

Energy efficiency can be a cost-effective strategy to reduce emissions associated with electricity and natural gas generation and consumption. An Energy Efficiency Resource Standard (EERS) or energy efficiency target is a mechanism to encourage more efficient generation, transmission, and use …

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Factsheet
Near-Term Federal Actions to Address Climate Change

A growing majority of Americans favor stronger government action to address climate change. Recent events demonstrate both the rising costs of climate change to U.S. communities and taxpayers and the economic benefits of a clean energy-transition. While the United States …

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Billion-Dollar Extreme Weather Events

This map shows billion-dollar weather events in the United States since 2000, as identified by the National Oceanic and Atmospheric Administration’s National Climatic Data Center. Click on any circle to learn about one of the billion-dollar weather events, or any …

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U.S. State Greenhouse Gas Emissions Targets

A greenhouse gas emissions target refers to the emission reduction levels that states set out to achieve by a specified time. Currently, 23 states and the District of Columbia have implemented statewide greenhouse gas targets. Following the United States announced …

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Report
American Mayors and Businesses: Building Partnerships for a Low-Carbon Future Volume II

Never have the stakes been higher to advance the cause of carbon reduction and climate protection. For more than a decade, cities have promoted climate protection strategies at all levels of government, and businesses have made great strides in their …

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U.S. State Greenhouse Gas Emissions Standards for Power Plants

In 2016, the electricity sector was the second-largest source of U.S. greenhouse gas emissions. Electricity-related emissions are primarily the result of combusting fossil fuels in power plants. Coal-fired power plants accounted for nearly 70 percent of greenhouse gas emission from …

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U.S. State Clean Vehicle Policies and Incentives

The transportation sector became the largest source of U.S. greenhouse gas emissions in 2016. While transportation sector emissions have fallen by 6.1 percent from their 2005 peak, transportation sector emissions grew about 21.5 percent from 1990 to 2016, largely driven …

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Low Carbon and Alternative Fuel Standard

The transportation sector is the largest source of U.S. greenhouse gas emissions. While transportation sector emissions have fallen by 6.1% from their 2005 peak, transportation sector emissions grew about 21.5% from 1990 to 2016, largely driven by increased demand for …

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U.S. State Electricity Portfolio Standards

Twenty-nine states and the District of Columbia require electric utilities to deliver a certain amount of electricity from renewable or other clean energy sources. Most of these requirements take the form of: a renewable portfolio standard (RPS) adopted by 26 …

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