"One of the most popular herbicides in U.S. agriculture can be dangerous to animals and fish and leaves behind worrisome residue levels, the Environmental Protection Agency said on Thursday in a draft report that sparked outrage among farmers."

"A water provider in northern Alabama warned more than 100,000 customers on Thursday not to drink or cook with tap water, saying it could be contaminated with potentially dangerous levels of a chemical that federal health officials have linked to cancer, according to local media reports."

"Four years after the United Nations announced that it cut the number of people without access to cleaner water by half, getting to that water is still a major hardship for much of sub-Saharan Africa, a new analysis shows."

"A Guardian investigation reveals that testing regimes similar to that of Flint were in place in major cities including Chicago, Boston and Philadelphia".

"Canada and the United States have identified eight substances in the water of the Great Lakes as chemicals of mutual concern under the Canada-U.S. Great Lakes Water Quality Agreement. These chemicals are potentially harmful to human health or the environment or both."

"China blocked a much-anticipated United Nations resolution to curb lead in paint during last-ditch negotiations at the U.N. Environment Assembly (UNEA) in Nairobi."

"A new study out this week doesn't show a definitive link, but reopens the debate over whether cell phones cause cancer."

"The World Health Organization says there is "no public health justification" for postponing or canceling the Rio Summer Olympics because of the Zika outbreak in Brazil."

"A new superbug that is resistant to the antibiotic of last resort has been spotted in the United States. Twice."

"The use of coal tar sealant products is no longer allowed in Annapolis."