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The evidence is irrefutable: unless we act immediately to reduce greenhouse gas emissions, we will not be able to stave off the worst consequences of climate change. The world is already 1.2°C warmer than pre-industrial times and every fraction of…

The world’s leading climate scientists have warned there is only a dozen years for global warming to be kept to a maximum of 1.5C, beyond which even half a degree will significantly worsen the risks of drought, floods, extreme heat…

One year after President Trump pulled out of the landmark Paris climate agreement, his administration shows no signs of progress, choosing instead to ignore climate science and boost the fossil fuel industry. Former New York mayor Michael Bloomberg, the secretary…

Measures that would force owners of New York City’s 14,500 least efficient large buildings to install upgrades to boilers, water heaters, roofs, and windows in order to cut emissions have been outlined by the city’s Mayor, Bill de Blasio. The…

Since 2014, the RE100 initiative has been working behind the scenes with businesses and organizations of all sizes and sectors to negotiate transitions to 100 percent renewable electricity. The reason is simple: shift to 100 percent renewable electricity and you…

Coral reefs are home to a vast array of ocean creatures. They provide food, protection against storm damage, sustain tourism and inspire wonder. “If we lose corals, we lose a vital piece of our planet,” said Kiho Kim. Kim, a…

The Sierra Club released a new analysis Friday that found that transitioning all 1,400+ U.S. Conference of Mayors member-cities to 100 percent clean and renewable electricity will significantly reduce electric sector carbon pollution nationwide and help the U.S. towards meeting…