A federal court has scuttled a plan to cut one of the most powerful climate pollutants on earth.
The Southwest's monsoons are becoming more intense, even as less rain falls on average.
Cities are already suffering from the impacts of extreme heat. It'll only get worse as the climate changes.
Heat and humidity will reach deadly extremes in South Asia if greenhouse gas emissions aren't curtailed.
A new wind farm could become the largest in the U.S. and wean states off coal-fired power plants.
An increase in rain fueled by rising temperatures will wash more nitrogen into U.S. waterways.
New Jersey aims to shrink its climate footprint by reducing wasted food that ends up in landfills.
Nearly 50 million acres of forest disappeared worldwide in 2015, mainly in North America and the tropics.