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Published on Aug 9, 2011
Lester Brown, Thomas Friedman, and Paul Krugman discuss the need for a carbon tax in order to price carbon emissions at their true cost.
The "Journey to Planet Earth" series continues with a special program, hosted by Matt Damon, which features environmental visionary Lester Brown and author of "Plan B." This documentary delivers a clear and unflinching message -- either confront the realities of climate change or suffer the consequences of lost civilizations and failed political states.