On a field ringed by rolling green hills in Iceland, fans attached to metal structures that look like an industrial-sized Lego project are spinning. Their mission is to scrub the atmosphere by sucking ...

Scientists say they have invented a machine that can suck carbon dioxide out of the air – potentially creating a vital weapon in the war against global warming. The blueprint for the CO2 'scrubber' ...

Seems to me that if we are going to go carbon-negative (and not just carbon-neutral), someone is going to have to figure out how to make removing green house gases from the atmosphere profitable.