The types of tree species that grow in a particular region determine the range of bright colors that paint our landscapes during the fall season. In the future, scientists project that the forest habitats all around us may undergo major changes to due to warming temperatures.
[From the archives] Facing the possibility of a massive coral bleaching event in the Caribbean Sea in late summer and early fall 2010, a USGS biologist based at U.S. Virgin Islands National Park hopes that the season won't have the same devastating outcome as a similar event in 2005.
When the winds are right, dust from the deserts of the U.S. Southwest blows onto the snow-capped Rocky Mountains. How do dirty snowfields contribute to the loss of more than 250 billion gallons of water in the Colorado River?