The statement comes from 12 members of the recently established Earth League, which describes itself as “a voluntary alliance of leading scientists and institutions dealing with planetary processes and sustainability issues.”
They say that if humans continue with business as usual, using fossil fuels and pumping out excessive amounts of greenhouse gases, the world will be on track for a planet that is four degrees Celsius warmer by the end of this century, or even earlier.
The group says assertions that there has been no warming this century are simply wrong:
Regardless of the… (erroneous) claim that global warming has already stopped, evidence is that once well-known impacts from El Niño, volcanic aerosols and solar variability are removed from the observations, the warming trend of the ocean-atmosphere system is unbroken; and that it will continue (potentially towards four degrees Celsius) unless serious mitigation action is taken.
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