Local students are asked to enter a poster and essay contest sponsored by the Jefferson Parish Department of Environmental Affairs that examines a certain type of pollution and some solutions to it.

PARIS — The men’s triathlon race, set to take place Tuesday morning, has been delayed a day due to unsafe water pollution levels in the River Seine, Olympics organizers said. But the International ...

Experts said the decision would sharply undercut the agency’s authority to protect millions of acres of wetlands under the Clean Water Act, leaving them subject to pollution without penalty. By Adam ...