Asked for comment on the regional haze rule, the EPA said they want to better account for pollution from outside the U.S. and from natural sources and avoid unnecessary burdens for states and industry.
This federal rule helped clear air over U.S.'s most beloved parks. Trump's EPA wants to kill it
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At the same time, the U.S. Environmental Protection Agency announced it would review new scientific information on potential health risks of fluoride in drinking water.
Why water fluoridation is under fire in the United States
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