For a dose of reality, see:
Another mankind as evil carbonator, even way back then study
Posted on January 24, 2011 by Anthony Watts
Last week we were treated to the ridiculous story about Genghis Khan having an impact (or apparently not enough) with his impact on humanity. This week, a new interpretation; its the Romans and Christopher Columbus who are the ghosts of climate injustices past by daring to enable use of forest resources.