When smog floated above America’s big cities, it caused acid rain. It is sulfuric or nitric acid that falls to the ground ...

transnational agreement spearheaded by the Environmental Protection Agency combatted acid rain, which greatly impacted the eastern portion of the continent. Earlier this month, EPA administrator ...

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.