Acid rain harms plants and wildlife by altering the pH levels of soils and water bodies — for example, acidification of aquatic ecosystems harms endangered whooping cranes by depleting their food ...

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 ...

The air was so laden with pollution from coal power plants and cars at ... were also taking effect. That brings us to today: While precipitation in some regions is still unnaturally acidic, on the ...