When is global warming going to start harming the earth? We all know about global warming, and how it is causing the ice to melt, the earth getting polluted, and all the other things happening to the earth, like rising temperatures and such, but when is it really going to come into effect? When will we experience everything? In 5 or 10 years? In 100 years? In 1000 years? in 10 000 years?