Analysis of these data suggest that recent warming is unusual in the past 400 years, possibly longer.

Attribution of recent climate change discusses the evidence for recent global warming.

But the increase might also be related to the recent warming, which could be helping bears in some places.

Scientific evidence indicates that recent global warming is caused by human activity.

The administration for the first time places most of the blame for recent global warming on human actions.

Other possible explanations include that the response to recent rapid global warming might be delayed or nonlinear in some fashion.

This was the first time the 12-year-old panel found that human actions were the dominant force behind the recent warming.

But proving a link between the recent warming and atmospheric pollution has been impossible.

In the report, the administration for the first time mostly blames human actions for recent global warming.

He thinks that recent global warming is partially due to human activities, but not entirely.