what causes acid rain? How scientists were able to largely eliminate this major environmental threat.

In 1963, scientists studying Hubbard Brook Experimental Forest in New Hampshire made a shocking discovery. Their most recent rainfall samples were nearly 100 times more acidic than usual. At these … Read More

When is the next Ice Age?

Twenty thousand years ago, the Earth was a frigid landscape where woolly mammoths roamed. Huge ice sheets, several thousand meters thick, encased parts of North America, Asia, and Europe. We … Read More

What is Carbon Emission Trading or Carbon Trading?

Reducing greenhouse gas emissions, like carbon dioxide, is a crucial component in the fight against climate change. One way governments are trying to reduce their emissions is through carbon emission … Read More

What is Keystone Pipeline? What did Barack Obama, Donald Trump & Joe Biden do?

Joe Biden signs order to revoke Keystone pipeline permit. Canada is disappointed with the new president’s decision. Biden’s cancellation of permit faces mixed reactions. Montana tribal members are relieved now … Read More