Earth Temperature Timeline

[bigfield]

A Timeline of Earth's average Temperature Since the Last Ice Age Glaciation
http://xkcd.com/1732

When people say 'the climate has changed before', these are the kinds of changes they're talking about.

This does an excellent job of putting the climate change into context, particularly the correlation between unusually-rapid climate change and industrialisation.

 

[DBT]

Current path doesn't look too good. Especially not with an estimated population of 10 billion plus around mid century to support.