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...
The Delicate Balance, Part 1: Economics vs. Environmentalism OR What's a Tree Worth?
The impact of the corporate mind-set on the environment. Modern culture tends to view the world through an economic value filter, ignoring the larger value of natural resources, such as trees, to the planet's ecosystems.
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.
Ecology: Biosphere 2: A Laboratory for Studying the Future
While Biosphere 2's efforts to duplicate earth's complex ecological systems were unattainable, this scaled-down model is ideal for studying the effects of man on ecosystems. It is possible, for instance, to elevate carbon dioxide to the levels predi...
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...
Trees and Other Critical Resources
Former Sierra Club president David Brower talks about the value of critical resources, including trees, soil, water and rapidly disappearing species.
: Sustaining the Environment
Achieving environmental sustainability will require a shift away from core cultural values based on production and consumption.
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.