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 ...

Siver's research helps to disprove the hypothesis that acid rain always causes lakes to become more acidic. Focusing mainly on Connecticut lakes, Siver demonstrates that Southern New England lakes ...

But the Siberian Traps volcanoes didn't cause the extinction by swamping the world with lava. As volcanic gases poured into the skies, they would have generated acid rain, and sulfate molecules ...