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Mainstream Climate Science: The New Denialism?

www.jonathonporritt.com Mainstream Climate Science: The New Denialism? - Jonathon Porritt

This is a bit of a long one! So here’s my “Executive Summary” so you can decide whether to commit the time to the rest of it: mainstream climate scientists run the risk of becoming the new climate deniers.

PMeanwhile, Johan Rockström, the driving force behind the whole Planetary Boundaries framework, is now spelling it out as starkly as it needs to be:

“A 2.5°C global mean surface temperature rise is a disaster. It’s something that humanity has absolutely no evidence that we can cope with. There would be a 10-metre sea level rise. There would be a collapse of all the big biomes of planet Earth – the rainforest, many of the temperate forests, abrupt thawing of permafrost, and the complete collapse of marine biology. Over 1/3rd of the planet around the equatorial regions will be unhabitable because you will pass the threshold of health, which is around 30°C. It’s only some parts of the Sahara Desert today that has that kind of average temperature.”

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