Thermonuclear war. There's scientific evidence that it would be bad for man. There's empirical evidence that it would be bad for man.
Climate Change. It's happened for millions of years. There's empirical evidence that climate change has been happening since the year dot. There's not a lot of science to prove that AGW is happening.
A gathering of 20 Nobel Prize winners, calling itself the St James's Palace Nobel Laureate Symposium, has released a memorandum stating that 'Global climate change represents a threat of similar proportions' to that of thermonuclear armageddon at the height of the Cold War.Read more here.
Thanks to Minicapt.