This is a citation of an outside article. Gravyday is not responsible for its content. Original URL below. Modern Alchemists Turn Airborne CO2 into Diamonds Each carat removes 20 tons of greenhouse gas from the sky, entrepreneurs say The dawn of the Biden administration and its focus on climate change is attracting more industries to a solution that was, until recently, thought to be more trouble than it’s worth: the direct removal of carbon dioxide from the atmosphere.(more)