Doing the math on carbon pollution and climate change

Bill McKibben and John Hofmeister at the Commonwealth Club: an environmentalist and a former oil company president discuss the extent and impact of carbon pollution and the science and politics of global warming.

Guests

• Bill McKibben: Founder of 350.org. Author of "Eaarth: Making a Life on a Tough New Planet" and "The End of Nature."
• John Hofmeister: CEO, Citizens for Affordable Energy. Former president, Shell Oil Company.

Resources

• 350.org website
• Citizens for Affordable Energy website