The safe upper limit for atmospheric CO₂!

If we reach 550ppm a year, it would be devastating because of the rise in sea levels and a substantial increase in CO₂, which will make the planet unbreathable…

So, what’s the safe limit: as discussed, 350 ppm OR is it 380 ppm (that we are heading towards) OR 450 ppm that can still be called safe???

Time to brainstorm……

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News credits: Grist

Joseph Romm

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