The Mississippi River is at a record-low level, grounding boats and causing shipping delays. From the Port of Memphis, here's a story about efforts to keep America's largest river open for business.
While most of Yellowstone National Park re-opened quickly after devastating floods in June, one major gateway town has remained cut off from the park. until this weekend.
Some Texas park officials want people to stop stacking rocks in state parks. They say it disturbs the wildlife habitats there.
William Simpson wants to deploy the wild horses across public lands, to live and graze — and ultimately, prevent the worst wildfires.
National Hurricane Center data for New York City shows development happening in at-risk areas, even as climate change brings more frequent and intense storms.
The birth of a female bison in Kent, England was a great surprise for the conservation organization trying to improve wildlands in the UK. Bison ranger Tom Gibbs explains why.
Warmer temperatures produce more female sea turtles and cooler weather produces more males. Hotter summers means more females are being born. Scientists are concerned it could create gender imbalance.
Brazilians head to the polls Sunday to vote in a presidential election that is testing the world's fourth-largest democracy and could have a critical impact on the fight against climate change.
The world is set to start crucial climate change negotiations soon. To avoid extreme warming, nations have to make deep cuts in heat-trapping emissions, fast.
The saltwater is threatening drinking water supplies in the New Orleans metro area. The U.S. Army Corps of Engineers built an underwater levee to stop the intrusion.