Global warming is said to be bringing temperatures last seen during
an interglacial era, when sea level was 6-9 meters (20-30ft) higher than
today
In order to meet targets set at last year’s Paris climate accord to
avoid runaway climate change, “massive CO2 extraction” costing an
eye-watering $104tn to $570tn will be required over the coming century
with “large risks and uncertain feasibility” as to its success, the
paper states.
“There’s a misconception that we’ve begun to address the climate
problem,” said Hansen, who brought climate change into the public arena
through his testimony to the US congress in the 1980s. “This
misapprehension is based on the Paris climate deal where governments
clapped themselves on the back but when you look at the science it
doesn’t compute, it’s not true.
“Even with optimistic assumptions (future emissions reduction) will
cost hundreds of trillions of dollars. It’s potentially putting young
people in charge of a situation that is beyond their control. It’s not
clear they will be able to take such actions.”
https://www.theguardian.com/environment/2016/oct/03/global-temperature-climate-change-highest-115000-years
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