The Sahara Desert has expanded by about 10 percent since 1920, according to a new study conducted by University of Maryland researchers. This represents roughly an area the size of South Dakota being ...

As the Earth inches closer to 2°C of average warming above pre-industrial levels, some scientists aren’t just interested in how to cut emissions. They’re also interested in how to buy the planet more ...

Wastewater treatment plants emit far more greenhouse gases—especially methane and nitrous oxide—than previously estimated, significantly contributing to climate change. Researchers analyzed ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) That reality has motivated scientists, governments and a growing number of startups to ...