Climate Home: The chances of natural variability causing the record warm streak this century are vanishingly small.
Greenhouse gases from burning fossil fuels are "almost certainly" behind the surge in global temperatures, according to a study published in Nature.
Without human activities, scientists calculate the odds are between 1 in 5000 and 1 in 170000 of the pattern seen between 2000 and 2014: thirteen of the 15 warmest years on record.
"2015 is again the warmest year on record, and this can hardly...