"Colorado's agricultural agencies are in panic mode after several independent studies found dangerous levels of pesticides in marijuana products."

"Only one in three people in Tanzania has access to piped water despite government efforts to improve water supplies with most of the population still relying on unsafe water that brings the risk of disease, according to a study on Thursday."

"Panel finds little basis in EPA's 1,000-page study for claim that fracking has not led to 'widespread, systemic impacts on drinking water.'"

Researchers have found that some antibiotic-resistant bacteria can transfer their resistance to other strains.

"Overuse of antibiotics in animal feed is making it harder for doctors to treat life-threatening infections in young children, a report from U.S. pediatricians warns."

"The U.S. Food and Drug Administration has finalized a set of groundbreaking food safety rules for produce farms and importable goods to strengthen its food safety system."

"With the help of 20 years’ worth of research and thousands of prehistoric shards of pottery, a large group of scientists have presented evidence that the deep relationship between humans and honeybees is far older than we thought — giving us just one more reason to care about the conservation of a species that we’ve relied on for thousands of years."

"Mexican copper miner, smelter, and refiner ASARCO must pay more than $163 million to settle U.S. government charges that the company broken the law by releasing hazardous air pollutants, including lead and arsenic, from its primary copper smelter in Hayden, Arizona."

"The European Food Safety Authority (EFSA) on Thursday said glyphosate, the active ingredient in Monsanto weedkiller Roundup, was unlikely to cause cancer in humans, but it proposed new controls on any residues in food."