PFAS are linked to health issues including cancer. Critics are concerned about the costs of complying with the proposed standards.
Ballot measure supporters want to stop pollution in Lake Erie. Opponents say the measure could unleash a torrent of frivolous lawsuits.
At the U.S.-Mexico border, two of the region's largest urban areas share a water source — and it's become a race to the bottom.
The games may be shining a light on a clean water crisis, but the problems don't end when the Olympics are over.
