The FDA adds more brands to a new alert for lead-contaminated cinnamon
Tampons contain lead, arsenic and other toxic metals, study finds. What we know — and don't know — about the findings.
Debate flares over how quickly to replace many lead service lines

Millets — ancient drought-resistant grains — could help the Midwest survive climate change
Once 'paradise,' parched Colorado valley grapples with arsenic in water
Arizona's farms are running out of water, forcing farmers to confront climate change
The Colorado and Ohio rivers are among the 'most endangered' in America. Here's why
Swimming pools and lavish gardens of the rich are driving water shortages, study says