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.
As more government land is earmarked for solar and other renewable energy projects, some environmental activists in the West are not happy.
Two incompatible electric-vehicle charging systems are fighting for dominance, like a replay of the '80s-era battle between VHS and Betamax.
The fire is out at the gas-drilling rig that caught fire in the Gulf of Mexico this week, but a debate about drilling regulations has sparked back to life.
When Halliburton's computer simulations showed it could have shared blame for the epic blowout and oil spill, the company destroyed the results.
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