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Referring to the surrounding ecosystem of the planet Earth, its natural mechanisms and balances, and study of the effects of human interaction with it.

32 votes
7 answers
5k views

Is cancer a man-made disease?

There is nothing in the natural environment that can cause cancer. So it has to be a man-made disease, down to pollution and changes to our diet and lifestyle.” Are those claims valid? …
Mad Scientist's user avatar
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106 votes
3 answers
47k views

Do coal plants release more radiation than nuclear power plants?

As a response to the disaster at the Fukushima nuclear power plant I've heard the claim that fossil-fuel power plants using coal release more radiation than a nuclear power plant. I searched for some …
Mad Scientist's user avatar
  • 43.7k