ONLY ZERO CARBON ONLY ZERO CARBON ONLY ZERO CARBON ONLY ZERO CARBON ONLY ZERO CARBON ONLY ZERO

"In fact, only in the case of essentially complete elimination of emissions can the atmospheric concentration of CO2 ultimately be stabilized at a constant level."  
​(IPCC assessment 2007 FAQ 10.3)
A project of the
​ Climate Emergency Institute.
Bill Gates  TED Talk Innovating to Zero Carbon (excerpts below)
Dr Holmes HumnmelChanging atmospheric chemistry excerpts

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It is scientifically impossible for today's catastrophic atmospheric carbon dioxide concentration (395ppm)  ​to fall ​ unless all industrial emissions stop, and we must get below 350ppm. 
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"We should be talking about emissions targets, and the right emission target is zero."
(Ken Caldeira climate expert Stanford​)
"I asked the top scientists on this several times: Do we really have to get down to near zero? Can't we just cut it in half or a quarter? And the answer is that until we get near to zero, the temperature will continue to rise." (Bill Gates)
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can get us to 350 ppm CO2
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We can get CO2 emissions down to zero, and that would keep global warming below 1.5C.
The good news about climate change is only zero carbon