> We've already pumped gigatons of CO2 into the atmosphere.
Way, way more than than mere gigatons. FTA: "Last year, about 31 billion metric tons of carbon dioxide were released into the atmosphere." That's tens of gigatons in one year.
Way, way more than than mere gigatons. FTA: "Last year, about 31 billion metric tons of carbon dioxide were released into the atmosphere." That's tens of gigatons in one year.