Acid rain is one of the most destructive environmental threats to forests and their inhabitants. From weakening trees to ...

The earthy smell that arises when rain falls is known as petrichor. Two Australian scientists coined the term in 1964.

Nova Scotia watersheds recovering from decades of acid rain Nova Scotia's rivers still suffer from acid rain. Restoring them could also help the climate Caitlin Congdon is a field crops ...

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 ...