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 ...
In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it turned ...
Nitrogen oxides are produced by burning fossil fuels and contribute to ozone formation, acid rain, nutrient pollution and poor visibility. Acid rain harms plants and wildlife by altering the pH levels ...