A new threat is here, and scientists say there's no way to stop it, as even remote parts of the world are seeing microplastic ...

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Acid rain is one of the most destructive environmental threats to forests and their inhabitants. From weakening trees to harming wildlife, this invisible danger is reshaping entire ecosystems. Learn ...

“Instead the agency’s content to let air-quality standards stay stagnant for decades, even as real harm is done to our land, water and wildlife.” Nitrogen oxides are produced by burning fossil fuels ...