As part of a new climate deal with the U.S., China is also agreeing to other measures, paving the way for progress at U.N. talks in Paris.
The Guarani people -- the largest indigenous group in Brazil -- are all too familiar with the destructive side of sugarcane ethanol.
A team of researchers is trying to call the outcome of the Paris climate talks using complex economic models.
The nitty gritty of measuring atmospheric CO2 involves Algerian monks and Mongolian schoolteachers, and has some pretty major real-world implications.
The pope's environmental message in his speech at the Capitol was much more muted than his White House remarks.
The magazine's reporter got a Q&A with Obama during his trip to Alaska, and we've distilled it down for you into handy, digestible memes.
A new analysis shows the company's cars may be responsible for nearly 1 million tons of air pollution every year.
An Oregon heatwave gave us ripe pumpkins in mid-August.
The agency's five coastal facilities can expect between 5 and 27 inches of sea level rise by 2050.