@brainfeed: And it is CO2 | Ecency

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RE: RE: Trees are the lungs of the planet.

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RE: Trees are the lungs of the planet.

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2019-06-08 10:31

And it is CO2 that keeps them alive!
We need more CO2 (up to 1500ppm) to green the planet.

2019-06-08 10:31

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@brainfeed: And it is CO2 | Ecency