In the past, numerous civilizations have collapsed due to environmental problems. Now, for the first time, a global collapse due to multiple drivers (overpopulation overconsumption by the rich, poor choices of technologies, etc.) threatens. A dramatic cultural change is needed for averting calamity.

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For information on the Millennium Alliance for Humanity and the Biosphere (MAHB), download this handout: sustainability.colostate.edu/files/MAHB
For audio and other media from this lecture, please visit: sustainability.colostate.edu/soges-events/special-events/ehrlich

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