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Showing results - 1 to 6 of 6
Waste and Other Threats to Oceans and Marine Life
03:08

Waste and Other Threats to Oceans and Marine Life

Explorer and environmentalist Jean-Michel Cousteau talks about the adverse effects of waste, heavy metals and other chemicals on the ocean and marine life.

Biological Treatment Technologies: Biological Treatment, Wastewater and Sewage
04:39

Biological Treatment Technologies: Biological Treatment, Wastewater and Sewage

Biological treatment is a major application of microbial technology used for treating municipal wastewater and sewage. One of the most important biological treatment processes is anaerobic digestion, in which anaerobic bacteria are placed in huge c...

Natural Ecosystem Services and Waste Disposal
01:26

Natural Ecosystem Services and Waste Disposal

Paul Ehrlich, best known for his work on population growth, observes that there's no way to truly "throw things away," because everything remains on this planet. According to Dr. Ehrlich, we must depend on natural systems functioning properly if we ...

Coastline Threats
01:14

Coastline Threats

Explorer and environmentalist Jean-Michel Cousteau talks about threats to the world's coastlines, focusing on the disproportionate percentage of population that lives in coastal areas.

Dirty Water: Urban Runoff
00:54

Dirty Water: Urban Runoff

The amount of oil that reaches the ocean from urban runoff and other terrestrial sources greatly exceeds the oil that comes from tanker spills.

Water: Trans-Border Water Pollution
11:59

Water: Trans-Border Water Pollution

Because of the geography of the region and because Tijuana's sewage infrastructure has not kept pace with the city's growth, sewage enters the Tijuana River and flows into the United States. At some points, sewage flows directly onto the beach. The ...