Bickering could end a program that helped preserve some iconic national parks, Sally Jewell says.
Vastly more Americans will be exposed to dangerous heat waves in future decades because of a combination of rising temperatures and faster growth in Sunbelt cities.
The executive director of the U.N. Framework Convention on Climate Change suggests that the Arctic’s oil and gas should stay underground.
A new analysis underscores scientists’ concerns about the impact of melting glaciers and ice sheets near the Earth’s poles.
The Obama administration granted conditional approval to a plan by Shell Gulf of Mexico to begin exploratory drilling in the Chukchi Sea.
A group of MIT engineers come up with a solar-powered desalination system that could help villages in India, and around the globe, deal with brackish well water.
The proposed rules have drawn a fierce backlash from the Republican-controlled Congress, with members calling them harmful to the coal industry and the economy.
Removing hydrofluorocarbons could prevent a temperature rise of nearly 1 degree Fahrenheit by the end of the century, experts say.
The secretary of state warns that government action may not be enough to prevent its severe effects.
Investigators saw no problems. But then thermal cameras exposed “billowing” pollutants.