Once, ages ago, I tried to correct the math of the Editors of Shacknews' math and like you, I was wrong. I made it to the front page of ShackNews the next night, haha. I used the same user name as I used on a forum with my friends, so my friends all found it out, haha.
Politics last two decades acting all surprised when scientist and ecologist been telling them for more than a century... Silver lining is they won't be lying for another century if they keep ignoring the issue, we'd all be dead