Local die-offs of marine life can result ... As volcanic gases poured into the skies, they would have generated acid rain, and sulfate molecules would have blocked sunlight and cooled the planet.

The rainfall was so intense that in one dramatic example, a mudslide caused an entire house to slip down a bank into the ...

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. Learn ...