Since trees store carbon as, well, tree, this basically boils down to: massive and fast. Using bullshit numbers I found on a quick search, Americans average 20t

Since trees store carbon as, well, tree, this basically boils down to: massive and fast. Using bullshit numbers I found on a quick search, Americans average 20tn/yr of CO2 emissions. Ballpark, carbon is a third of that by mass, so you'd need to grow 7 additional tons of tree per year.