> CO2 is what every human breathes out; every plant, in turn,consumes CO2 That tweet from Ted Cruz is bizarre. We've removed 3.6 million square miles of forest

> CO2 is what every human breathes out; every plant, in turn,consumes CO2 That tweet from Ted Cruz is bizarre. We've removed 3.6 million square miles of forest (from the original 6 million)[1], not to mention the billions of tons of CO2 produced annually through fuel combustion. What does the fact that humans expel CO2 have to do with it? [1]: http://www.nature.org/ourinitiatives/habitats/rainforests/index.htm http://www.nature.org/ourinitiatives/habitats/rainforests/in...