Sorry, you do not have the right version of Adobe Flash player to view the content below. In the interim, we have provided an HTML view of the same content. Click framed items to drill down the debate tree.
Case for significant anthropogenic forcing remains unclear *
The case for significant anthropogenic forcing of the climate remains unclear. (#5041)
Earth has been warmer in recent past prior to human impact *
The Earth was warmer in the recent past – i.e. prior to any anthropogenic forcing – than it is now. (#14746)
Previous warmer periods caused by factors not present now
While there have been times in the Earth's history when it was warmer than now—eg the last interglacial (125,000 years ago) and Pliocene (3m years ago)—those periods were caused by factors such as solar forcing, the Earth's orbital wobbles or continental configurations that don't apply now. (#14779)
Artic was warmer in 1930s than today *
The Artic was warmer in the 1930s than it is today. (#14750)
Mediaeval warm period *
Mediaeval Warm Period at the beginning of the last Millennium. (#14747)
home details search share full key