If we don't mend our ways, wild areas nearly as big as Brazil will turn into farmland by 2050. A new U.N. report lays out a plan for avoiding that.
When that West Virginia tank busted open earlier this month, a second toxic chemical spilled into the Elk River. The company knew -- but didn't bother telling officials.
We already know that Pope Francis likes riding buses and doesn't like fracking. We'll soon learn more about his environmental views.
Japan's largest solar power plant has been built on reclaimed land jutting into a bay -- a creative solution for a crowded country.
Gov. Pat Quinn says growing piles of waste from tar-sands oil refining constitute an emergency, but owners of the piles successfully argued against immediate rules.
The European Union is set to scrap rules that restrict the import of especially dirty, climate-changing fuels.
Transportation safety boards in the two countries issued urgent calls on Thursday for new rules to make oil-hauling trains less dangerous.
When Gov. Jerry Brown declared a drought, he quietly suspended parts of one of the state's landmark laws, the California Environmental Quality Act.
Yes, definitely, say the state's cleantech leaders. They're joining enviros to push for more renewables instead of new natural-gas plants.