More global warming math: Every 10 days, can we really produce nearly 20 percent of our yearly CO2 emissions?

Can Charcoal Slow Climate Change and Improve Agriculture?: Scientific American Podcast

Studies suggest as much as 900 million metric tons of carbon a year could be locked up this way—and improve the soil's ability to grow crops as well. That's nearly 20 percent of current CO2 emissions as a result of burning fossil fuels.

The Crisis Comes Ashore | The New Republic

Just as the oil companies told us that deep-water drilling was safe, they tell us that it’s perfectly all right to dump 90 million tons of CO2 into the air of the world every 24 hours.