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Environmental Studies Collection
Showing 111 to 120 of 189 Resources
The Chemical Industries: Sulfuric Acid and Environmental Considerations
08:14

The Chemical Industries: Sulfuric Acid and Environmental Considerations

Sulfuric acid is the most commonly used compound produced by the chemical industry. It is most frequently utilized in the making of fertilizers, but is also used in the manufacture of gasolines, dyes and industrial expl..

The Chemical Industries: The Chemical Industry and the Environment
05:53

The Chemical Industries: The Chemical Industry and the Environment

Waste minimization and recycling are two of the techniques commonly used to improve environmental quality. They reflect the chemical industry's acknowledgement of its growing responsibility toward the environment and c..

The Delicate Balance, Part 1: Demography of Population Growth
01:59

The Delicate Balance, Part 1: Demography of Population Growth

Projecting population growth begins with three basic assumptions: everyone is born at age zero, everyone dies, and the earth is a closed system. Based on current fertility patterns, the world population will reach 296 bi..

The Delicate Balance, Part 1: Ecological Globalization
04:55

The Delicate Balance, Part 1: Ecological Globalization

The industrialized world is responsible for most of the environmental devastation of the twentieth century. But an emerging middle class in countries like China and India have the potential to take an unprecedented toll ..

The Delicate Balance, Part 1: Economics vs. Environmentalism OR What's a Tree Worth?
03:16

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.

The Delicate Balance, Part 1: Exponential Population Growth
01:35

The Delicate Balance, Part 1: Exponential Population Growth

It took thousands of years for mankind to evolve from nomadic hunter-gatherers to farmers settled in towns and villages. It took only centuries from that point until Thomas Malthus postulated, in the 18th century, that h..

The Delicate Balance, Part 1: John Muir
02:47

The Delicate Balance, Part 1: John Muir

One of the first voices in the environmental consciousness movement was John Muir, who lobbied for preservation and the creation of the National Park System. He also founded the Sierra Club in 1892.

The Delicate Balance, Part 1: Reason for Optimism
03:02

The Delicate Balance, Part 1: Reason for Optimism

Ecological refugees-people whose environment is so degraded that it no longer supports the social fabric of the country are a growing concern in every industrialized country. Many other population issues exist, but chang..

The Delicate Balance, Part 1: Technology is Not Always the Answer
02:00

The Delicate Balance, Part 1: Technology is Not Always the Answer

The Biosphere 2 experiment attempted to create a human engineered self sustaining environmental system. The experiment served to illustrate how little is understood about the workings of our natural ecosystems services.

The Delicate Balance, Part 1: The Cost of Science, Technology, and Population Growth
03:41

The Delicate Balance, Part 1: The Cost of Science, Technology, and Population Growth

The impact of modern science and technology on the biosphere is profound. The earth's natural ecosystems have the ability to cleanse the water; recycle wastes, turning them back into nutrients; pollinate crops; generate ..

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