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 ...
She wants to compare tree pollen from a modern forest killed by acid rain with fossil pollen found in Permian rocks. Like a homicide detective at a crime scene, Looy sealed the cone in a plastic ...
With bipartisan leadership and cooperation between the U.S. and Canada, acid levels slowly reduced, and recent samples ...
Rainwater also mixes with chemicals as it falls from the sky, forming an acidic concoction that dissolves rock. For example, acid rain dissolves limestone to form karst, a type of terrain filled ...
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 ...