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Chemical Dispersants 101: How They Work (Video)
Photo via Oil Spill SolutionsOne of the biggest points of contention surrounding BP's response to the massive oil spill in the Gulf has been the company's use of chemical dispersants to break it up. Environmentalists are wary that the toxic chemicals may be even worse for marine life than the oil, and the fact that it's never been used on such a large scale make plenty of people queasy. But few seem to understand what they really are and how they work. So here's Dr. Mark Johnson, eminent to...Read the full story on TreeHugger
Source: TreeHugger