A scientific conference, organized by the Geological Society in London, was held earlier this week to discuss and look on how Earth coped with climate change in the past. Yes, the climate has changed before. And no, that doesn't disprove anything.
During the conference the Geological Society in London warned in a statement that in the absence of mitigation measures it could take Earth 100,000 years or more to recover:
Professor Jim Zachos, from the University of California, said that if we humans continue to pump out greenhouse gases into the atmosphere we could cause "mass extinction of species":
Read more about this story over at the Telegraph. Also check out this Green Blog post: NOAA study shows climate change â€œlargely irreversible for 1000 yearsâ€