Slashdot
Microsoft-Backed Start-Up Heirloom Uses Limestone To Capture CO2 – California-based startup Heirloom is using limestone to capture CO2 from the atmosphere to reduce carbon emissions and prevent the worst effects of global warming. CNBC reports: CO2 naturally occurs in limestone. Heirloom removes that CO2 by heating the limestone into a powder and stores the extracted CO2 underground. The remaining …
