Chemical Treatment Technologies: Precipitation and Toxicity
The electroplating industry uses many chemicals in the process of plating objects like golf clubs and water faucets with metals such as chromium and copper. Before the chemically-laden water used in the electroplating process can be released into s...
Biological Treatment Technologies: Phytoremediation
Traditional bioremediation uses microbes to degrade organic substances. However, toxic metals are already in an elemental form, and cannot be degraded further. Phytoremediation, a fascinating extension of bioremediation, uses certain green plants ...
Social Responsibility Case Study: Patagonia and Esprit
Patagonia and Esprit have been pioneers in a growing category of companies that have successfully integrated social responsibility with profit. Both companies have prospered in the fiercely competitive garment industry, where consumers have become m...
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.
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.
The Metal Plating and Finishing Industry: Electroplating: Waste Treatment and Control
The processes of electroplating, anodizing and galvanizing produce several different wastestreams, including contaminated wastewaters, metallic sludges, and air emissions. In most plating shops, the bulk of the waste comes in the form of wastewater...
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 ...