From rss.sciam.com:
As you may have noticed, scientists remain convinced that humans are altering the global climate with an excess of greenhouse gas emissions—soot, methane and the ever-present carbon dioxide we pump out from our lungs and coal-burning power plants. The question is: how bad is said climate change going to get? After all, concentrations in the atmosphere are going up by roughly 2 parts-per-million per year—now hovering at roughly 387 ppm, and climbing. But it may be that the Earth’s climate is resilient and can withstand a lot more CO2 …
Read the complete article: How close are we to catastrophic climate change?