CO2 Rock Absorption

This Finland based company, Puro.earth sells CO2 Removal Certificates (CORCs) to Industry as offsets. Enhanced Rock Weathering offers 1000 year permanent storage of CO2 by their process, and side benefits to farmers who use it on their fields.

More info in a 2023 article on enhanced rock weathering progress . Estimates are 1 to 2 billion tons of CO2 removal per year by 2050.