
29 tons of basalt dust collect 9 tons of CO2. All we need to do is to spread it on croplands. Let‘s do #negativeemissions at scale! Read the @IPCC_CH report, it is urgent!
#projectcarbdown (via Instagram https://instagr.am/p/CbZpp81OjkY/)
#projectcarbdown (via Instagram https://instagr.am/p/CbZpp81OjkY/)