Pulling CO2 out of the air and using it could be a trillion-dollar business

Scientists generally estimate that to hold the rise in global average temperature to 1.5 degrees Celsius over the preindustrial baseline — a “safe” level of warming — humanity must stabilize the atmospheric concentration of carbon dioxide at around 350 parts per million.

This year, we reached about 410 ppm. There is already too much CO2 in the atmosphere. At this point, to truly vouchsafe a secure climate for future generations, we don’t just have to reduce emissions; we have to pull some CO2 out of the atmosphere.

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