New data from the CDC reveals that obesity rates among adults rose from roughly 35 percent in 2011 to 38 percent in 2014.
Sixty-two U.S. cities aim to meet or surpass the national target for cutting carbon emissions, and Obama is encouraging more to join in.
City leaders just flipped the bird to the oil, gas, and coal industries.
With the Paris climate talks around the corner, the future of clean energy looks promising.
Exploding trains and leaky pipelines: There are plenty of hotspots that climate activists could pursue now.
It's true even when you account for the extra pollution from manufacturing EVs.
Air pollution in parts of China is the worst ever recorded.
In just a few months, his holiness achieved what environmental activists have been trying to do for years.
Scientists say that the melting Zachariae Isstrom glacier may raise sea levels by 1.6 feet.