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Find out what arguments opponents of the EPA's Clean Power Plan use to try to make sure it never becomes law.

States will soon be in a race to cut emissions from power plants, but which coal-producing states will join the new clean energy economy?

The Golden State blazed new carbon reduction trails years ago that can help states meet new standards for power plants.

United States could cut its annual energy consumption by 23 percent by becoming more energy-efficient, saving consumers $1 trillion-plus a year.

Meet two, tireless women who are bringing a cleaner environment and justice to neighborhoods in Los Angeles and Atlanta.

The world's largest retailer set ambitious sustainability goals for its far-flung supply chain, and other corporations are now following Walmart's lead.

Unlike what its opponents claim, the Clean Air Act has boosted lifetime incomes and strengthened the United States' economy, a growing body of research shows.

A proposed rule to slash 30% of carbon emissions from power plants would usher in new and innovative solutions, also in states that have resisted limits on pollution.

The MSC designation comes after years of work to improve the sustainability of the fishery, including the adoption of a catch share program in 2011.

New research shows that rising global temperatures may be moving hurricanes toward the poles, and closer to major East Coast cities such as Washington and New York.

Some very loud politicians and industry lobbyists insist we’ll face an economic meltdown if we impose carbon pollution limits on coal plants. Time for a reality check?

U.S. House of Representatives beat back an attempt to deprive U.S. fishery managers of a tool that is helping to bring back fish populations and improve the livelihoods of fishermen.

We know that any methane leakage from oil and natural gas plants contributes to climate change. Our focus now should be on fixing the problem.

A new report says that once solar power and energy storage are at the right price, customers could leave the central electricity grid and their utility entirely.