In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden ...

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 ...

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

The United States may once again experience episodes of acid rain as a result of Donald Trump’s recent decisions to weaken ...

In 1990, the Clean Air Act was updated by Congress to eliminate acid rain by reducing power plant pollution. Unfortunately, ...

With bipartisan leadership and cooperation between the U.S. and Canada, acid levels slowly reduced, and recent samples ...

Gene Likens, the scientist who discovered acid rain, warns that Trump administration's pollution protection rollbacks could ...

This blog post explores the factors contributing to air pollution and introduces two instruments for continuous ambient air ...

The Trump administration is rolling back several major climate policies, including two rules that target planet-warming pollution from vehicles and power plants, in a major blow to America’s progress ...