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Citizens Energy Group's unique structure, aggressive pipeline replacement program, and pipeline integrity program have helped reduce methane leakage.

Staten Island has widespread leaks of methane from natural gas infrastructure and pipelines.

EDF and Google Earth Outreach spent two years developing systems to measure methane leakage in city distribution systems.

EDF and Google Earth Outreach's pilot project uses new sensing and analytical technologies to measure urban gas leaks that contribute to climate change.

How EDF, Google Earth Outreach and Colorado State University developed a new way to locate and estimate the climate impact of methane leaks.

Restoring fisheries around the world leads to large financial returns and big benefits to the oceans, fisheries and the billions who depend on them.

Ten days of Exploration in the Gardens of the Queen

The U.S. Supreme Court ruled in favor of the environment, that new and rebuilt industrial emitters use the best available technology to control emissions.

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

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

A proposed rule to slash 30% of carbon emissions from power plants would usher in new and innovative solutions.

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, closer to major East Coast cities such as Washington and NYC

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