To meaningfully Reverse warming, we'd need to remove hundreds of gigatons (one billion tons) of CO2 from the atmosphere (Rubin et al. 2012). Current carbon capture technologies are woefully inadequate (Prieto 2021, Rosa et al. 2020, Lai et al. 2021)). They're energy intensive, expensive, and nowhere near the scale required (Le Moullec 2012). It's like trying to empty the ocean with a teaspoon. Continue reading →