Ecologists report that more and more trees are popping up west of where they'd typically grow. The study's authors hypothesize it has to do with moisture, not temperature.
Scientists and economists predict what parts of the U.S. may get hit hardest by climate change. A new study goes county by county to gauge the potential cost of global warming.
Deadly heat waves are bigger killers than previously thought and are going to grow more frequent, according to a new study of fatal heat conditions. Still, those stretches may be less lethal in the future, as people become accustomed to them.
The Lake Superior-North watershed along Lake Superior's North Shore is one of the cleanest in the state, but it faces threats to its water quality, a new report says.
Climate change is often seen as posing the greatest risk to coastal areas. But the nation's inland cities face perils of their own, including more intense storms and more frequent flooding.
Secretary-General Antonio Guterres cited a 2016 World Economic Forum report on "The New Plastics Economy," which said the best research estimates there are over 150 million tons of plastics in the ocean.
From the "America Abroad" series, a look at the approaches various countries around the world are taking to address climate change: China, India, Canada and Morocco.