Forest fire in California - archive image
Media playback is unsupported on your device

Warming 'increasingly disruptive' across US

7 May 2014 Last updated at 00:50 BST

Climate change is having significant financial, ecological and human health impacts across the US, according to a new report.

The third National Climate Assessment, released by the White House, the number of extreme weather events has increased over the past 50 years, as has their severity.

David Willis reports.