You may not think of skiing in the tropics, but glaciers in Peru's Andes mountains have long sprouted popular resorts. Climate change, though, is particularly fast and obvious in the tropics. So Peru is trying to pivot from skiing to a new type of tourism.
The oil pipeline from Canada to Gulf Coast could provide 700 thousand barrels a day, but critics say it would wreak environmental havoc.
A bill passed by the House would revise the Clean Water Act to give states more authority to determine water quality standards.
As Washington seeks ways to shrink the national debt, Republicans propose deep cuts to public lands programs.
The White House has reportedly suggested a 56-miles-per-gallon standard.
Rising sea levels, expected to increase due to climate change, force small-island nations into new legal territory.
The Supreme Court hears arguments on whether states can sue power companies for contributing to climate change.
A down-to-the-wire compromise trims the 2011 Federal Budget by about 1 percent, but environmental protection takes deeper cuts as the EPA is slashed 16 percent. The deal also cuts wolves from the endangered species list.
Fiscal conservatives and environmentalists are working together to kill the corn ethanol tax credit this year, so the industry is suggesting other ways lawmakers could support biofuels.