Climate science debate has cost precious time, expert warns | World news | guardian.co.uk
The commission's updated analysis states that evidence of a "rapidly changing climate has continued to strengthen over the last two years", including, importantly, the link between climate change and extreme weather events.
"It is clear that the climate system has already shifted, changing conditions for all weather," says the study. "While extreme weather events have always occurred naturally, the global climate system is hotter and wetter than it was 50 years ago. This has loaded the dice toward more frequent and forceful extreme weather events."