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.
October 4, 2011
The low ice extent recorded this September continued the downward trend seen over the last 30 years. Meanwhile, scientists are finding that the ice cover has grown thinner, making it more vulnerable to melting during the summer.
Population and development conspire with regional climate patterns to concentrate the country's most expensive weather disasters in the U.S. South and Southeast.
The soaking rains from Tropical Storm Lee provided some drought relief in the South in the first week of September, but exceptional drought persisted across Texas and the Southwest.
An intense drought has gripped the southern tier of the United States for several months, accompanied by destructive wildfires, low water supplies, and failed crops.
Cattle ranchers face tough decisions about feeding and watering their herds as extreme drought continues in the South in late summer 2011.
The Brazos River runs dry in Knox County, Texas, in summer 2011.
At the peak of this year’s drought, a record 12 percent of the U.S. was experiencing exceptional drought conditions.
September 1, 2011