In recent times, the frequency of extreme events has increased.
"But the frequency of extreme weather is going way up".
And yet the increased frequency of extreme weather is a scientifically proven result of those gases.
Only 2% of the urban areas experienced significant declines in the frequency of extreme hot days," said the authors.
Climate change is increasing the frequency of extreme rainfall and floods in the UK and around the world.
Climate change is leading to an increased frequency of extreme weather events, including severe droughts and catastrophic flooding.
If these technical problems can be overcome it will be possible to predict the frequency of extreme weather events at different levels of atmospheric carbon dioxide.
So far, climate has had limited impacts on the bonds issued by insurance companies, but this could change if the severity and frequency of extreme events intensifies.
A rise of only one degree Celsius was sufficient to increase the frequency of extreme weather events, Mr. Jarraud said.
With the increasing frequency of extreme weather events serving as a backdrop, many people are asking what role, if any, did anthropogenic climate change play in the development of Superstorm Sandy?
Dim Coumou and Alexander Robinson from the Potsdam Institute for Climate Impact Research have published a paper in Environmental Research Letters (open access, free to download) examining the frequency of extreme heat events in a warming world.
