Scrubbing carbon dioxide from the air is imperative if humanity is to limit global warming, experts say, and a California startup says it can do just that, using limestone as a carbon-sucking sponge.
San Francisco-based Heirloom Carbon has become a hot name in the nascent capture technology sector, even sealing a deal with Microsoft to help the Windows-maker meet its zero-carbon ambitions.
Governments are embracing similar innovations to meet their climate goals as CO2 emissions remain too high to mitigate the greenhouse effect that causes the devastation of climate change.
