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"I appreciate…the hope Plan B communicates by pointing out so many things that are already being done around the globe." —Roland Saher, economics teacher on Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown on NPR’s Talk of the NationApril 22, 2013
Now in its 43rd year, Earth Day has become an international day dedicated to promoting environmental awareness and action. Lester Brown explains what's changed, as concern about climate change and green energy have come to the forefront of the movement.
