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New tests reveal that coal ash is contaminating groundwater across America. Now, regulators want to weaken monitoring and cleanup requirements.

What PFAS are, why they’re harmful, and what we can do to protect ourselves from them.

An in-depth report on how Georgia’s coal-fired power plants, after decades of unsafe disposal of coal ash, have severely polluted the underlying groundwater — and what we can do to protect our water.

Climate change is no longer a hoax in the U.S. House, and a new generation of environmental champions on the Hill and at the state level bring promise of climate progress.