Agricultural chemicals are accumulating in frog tissue in the Sierra Nevadas -- the same kinds of chemicals that are sprayed over crops in California's Central Valley.
A 5,800-square-mile area of the Gulf of Mexico is dead this year, starved of oxygen. That's terrible, but not as terrible as had been feared.
The Obama administration has announced another delay in better regulating the type of disaster-prone rail cars that exploded in Quebec earlier this month.
The EPA doesn't seem very interested in finding out whether fracking pollutes groundwater, according to a report in the L.A. Times.
Some marched 100 miles in a Walk for Our Grandchildren. Some got arrested protesting the Keystone pipeline. All are part of a big climate activism push this summer.
A study of more than 700 French farmers and farmworkers found that those who used herbicides were more than twice as likely to suffer from depression.
The FDA says food purveyors should no longer be able to skirt U.S. food safety rules by producing their product abroad and then selling it to Americans.
Some anti-science Republicans just can't stop saying stupid things about global warming, even though they're playing into Democrats' hands.
In his most extensive public comments to date on the subject, the president says that Keystone would create few jobs and raise gas prices for Americans.