Global surface temperatures during the three years from 2014 to 2016 – each hotter than the last – boosted the total level of global warming since 1900 by 25%, according to new research. A separate study has confirmed that heat extremes, too, have outpaced the global average. Maximum temperatures during the hottest heat waves have in the last 30 years risen three times faster – especially in crowded cities that are home to more than 10 million – than average temperatures as a whole. And a third study warns that unless the world’s nations start to reduce carbon emissions, then within the next 17 or 18 years, planetary temperatures will be at least 1.5°C above the world average for most of human history. And 35 to 41 years from now, these temperatures will have climbed 2°C above the level that held before the Industrial Revolution, and the arrival of fossil fuels as a global energy source.
Climate News Network 13th Feb 2018 read more »