Water Pollution and Industrial Nations
Explorer and environmentalist Jean-Michel Cousteau compares the relative impact of Third World nations and industrial nations on the marine environment.
Series: Environmental Science
Subject: environmental science
Global Warming: Evidence and Impact
Scientist and climate change expert Michael Oppenheimer discusses the evidence confirming global warming and the expected impact, which he predicts will be enormous.
Series: Environmental Science
Subject: environmental science
Chemical Treatment Technologies: Benign by Design, Biomonitoring, and Enforcement
The future of chemical treatment technology is striving to attain the reduction of waste at its source, and seeking to improve the monitoring of that which is discharged.
Series: Environmental Science
Subject: environmental
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...
Series: Environmental Science
Subject: environmental issues
Transcript: more excited About environmental issues than they may naturally be. There is no active constituency Lobbying congress for basic research. Certainly if
Physical Treatment Technologies: Electrostatic Precipitation
Particulate matter created as a result of burning coal may be too hot to draw through a baghouse. With an electrostatic precipitator, the hot, dirty stream of exhaust gas passes through a densely spaced series of plates. High voltage electricity c...
Series: Environmental Science
Subject: environmental
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...
Series: Environmental Science
Subject: environmental science
Carbon Dioxide and Climate Change
Scientist and climate change expert Michael Oppenheimer discusses research into the relationship between climate change and carbon dioxide, beginning with computer models in the late 1950's, through the analysis of ice cores over the subsequent thir...
Series: Environmental Science
Subject: environmental science
Introduction to Waste Stream Management: Block Flow/Mass Balance Analysis
The first step in controlling wastes is understanding where and how they are generated. Engineers and environmental managers use a tool called a
Series: Environmental Science
Subject: environmental
Transcript: , or which end? [ man over intercom ] on the discharge side. [ narrator ] engineers and environmental managers... use a tool called a "block flow
Impact of Acid Rain and Climate Change on Ecosystems
Scientist and climate change expert Michael Oppenheimer talks about the consequences of acid rain in the lakes of southeast Canada and many states in the northeastern United States. "It leeches toxic metals, like aluminums, from the soils," Dr. Oppe...
Series: Environmental Science
Subject: environmental science
Impact From Loss of Biological Diversity
Paul Ehrlich, best known for his work on population growth, observes that it's difficult to predict whether the loss of biological diversity will hit us suddenly and very hard, or if the effects will be played out more gradually.
Series: Environmental Science
Subject: environmental science