According to the journal Science, the human influence on the Earth's climate will be irreversible within the next 100 years. What do you think?

"Global warming, asteroids, earthquakes—I can only think of the effects of one disaster-movie at a time."

Haitham Azeed • Web Editor


"I'm sick of all the whiners crying about global warming. If you've got a problem with how this planet is run, why don't you go someplace else and see how you like it there?"

John Finney • Tour Guide

"Irreversible? Still?"

Barbara Coleman • Pharmacist

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