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Second Major Heat Wave in Weeks Is Breaking Records

Press ReleaseUnited States
After highs of 111°F in Billings and 115°F in Miles City, Montana, this week's heat dome is driving heat-index values toward 110°F across the northern tier, while East Coast cities could approach 100°F midweek with little relief overnight.

How to Stay Safe From Wildfire Smoke

How-ToUnited States, WestAlisa Opar

Breathe more easily with these tips on choosing the right protective mask, maintaining your indoor air quality, recognizing when to avoid the outdoors, and knowing who is most at risk.

EPA Proposal Could Delay Smog Cleanup

Press Release
A coalition of environmental organizations submitted comments urging the U.S. Environmental Protection Agency to withdraw its proposed "Ozone Reclassification State Implementation Plan Rule," which would allow states to miss deadlines for reducing dangerous ozone pollution and sidestep the consequences the…

Flint Water Crisis: Everything You Need to Know

GuideFlintMelissa Denchak
After officials repeatedly dismissed claims that Flint’s water was making people sick, residents took action. Here’s how the lead contamination crisis unfolded—and what we can learn from it.