dr douglas kelley, thank you . dr douglas kelley, thank you very much indeed.a significant role in the los angeles fires, new figures show that last year was the hottest year since records began. scientists from the european union climate monitoring body say temperatures were 1.6 degrees celsius higher than the pre—industrial average. they say it shows that a key warming threshold of 1.5 degrees — agreed in paris ten years ago — is now in danger of being permanently breached. here's our climate editor, justin rowlatt. remember the series of huge storms that battered the uk at the beginning of last year and left large areas flooded? scientists judge climate change has made rain and snow on stormy days here in the uk 30% more intense. and we've had it relatively easy. remember those devastating floods in spain in october? or the historic drought in the amazon basin, which reduced river levels to a 120—year low. or how about the six typhoons that hit the philippines injust 30 days in november? these are just a few examples of the extreme weather, which affected th