California wants to curb methane emissions, but flatulent cows might not cooperate.
It's the return of smog city, as southern California gets hit by the worst pollution in years.
Clinton’s team has enormous size advantage over Trump.
By saving avocados from mud-colored fate, a new machine might make a dent in our mountains of food waste.
Whatcom County, Washington, is concerned about public safety.
We’re in an era of cutthroat plug competition — which is both good and bad.
PFASs are linked with cancer, hormone disruption, high cholesterol, and obesity, and were found in the water supplies of 6 million people.
Big pharma is trying to get farms off antibiotics by investing in vaccines.
Algae is turning Rio's pools a frightening shade of green.