Good hiking trails can be hard to come by on the East Coast. That's why some people are working to expand the network of available trails by carving new public trails through private land.
Turning barely used office space into desperately needed urban housing seems like a win-win in the work-from-home era. But even in cities eager to do this, plenty of obstacles remain.
A growing number of countries are calling to halt mining on the ocean floor. The topic will take center stage at thi annual assembly of the International Seabed Authority, which governs seabed mining.
Warmer temperatures, drought and disease are putting stress on native tree species in Minnesota. Some trees are dying, but researchers are finding ways to help others adapt to a warmer climate.
In Canada, more than 25 million acres of land — an area larger than Portugal — has burned, and the fire season shows no signs of slowing. Here's why many fires are being left to burn.
The Inflation Reduction Act could help the U.S. cut greenhouse gas pollution up to 42% from 2005 levels by 2030. That's still short of what the country promised under the Paris Climate Agreement.
Scientists have used a gene-editing technique to make mosquitos allies in the fight against malaria. Environmentalists are troubled by the idea of genetically modifying wild animals.
A boy in Oklahoma reeled in an alarmingly weird catch this past weekend: a pacu, the South American fish that's a cousin of the piranha — and whose humanlike teeth have long struck fear in swimmers.