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Respecting Planet Earth
01:51

Respecting Planet Earth

Former Sierra Club president David Brower talks about some of the ways humans have damaged planet Earth in the quest for material possessions and wealth. He invokes Henry David Thoreau's sentiment that there's no use for a house if you haven't got a...

Conservation and Preservation
03:22

Conservation and Preservation

Former Sierra Club president David Brower talks about the need for conservation and preservation, in light of mankind's unprecedented rate of environmental destruction.

Career Focused on the Environment, A
02:43

Career Focused on the Environment, A

Former Sierra Club president David Brower talks about the origins of his interest in the environment. He also discusses his belief that, while humans are the first species to learn how to destroy the environment, we are also capable of fixing at lea...

Using Up Our Resources
02:28

Using Up Our Resources

Former Sierra Club president David Brower talks about the depletion of Earth's resources, noting that, over the past fifty years, the United States has used up more resources than the rest of the world throughout all of history.