Epic floods forced more than 100,000 people to flee their homes last week in Alberta, Canada, prompting questions about the link between climate change and flooding.
Climate activists are pushing a state ballot measure that would tax carbon emissions from gasoline, heating oil, and other fossil fuels.
Water wells close to natural-gas operations in Pennsylvania were more likely than others to be contaminated with dissolved methane and other gases, researchers found.
America's most contaminated nuclear site appears to have sprung another leak, just five miles from the Columbia River.
Somebody uprooted GMO sugar beet plants, and the FBI is in hot pursuit. But it's not concerned about the illegal Monsanto GMO wheat that popped up in a field recently.
The agency is investigating the risks posed to drinking water by fracking. It was supposed to be done in 2014, but now it says it'll be two years late.
John Kerry's speech coincided with deadly flooding in India that's being blamed on climate change. But some Indian enviros didn't appreciate his preachy tone.
A new project will collect and publish hitherto secret data on bird kills at wind farms, aiming to help a clean energy source get even cleaner.
Conservation groups suing to end seismic surveys in the Gulf of Mexico scored a partial victory, with oil companies agreeing to suspend sonar blasts in some areas for 30 months.