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"Take a very complicated elegant beautiful molecule, bury it in the ground 100 million years, remove all the functionality and make hydrocarbons," said Warner, one of the founders of the green chemistry movement that attempts to be more ecologically sustainable. "Then take all the toxic nasty reagents and put back all the functional groups and end up with very complicated molecules." The age of petrochemicals started and took root shortly after World War II, spurred by a government looking for replacements for rubber. "Unfortunately there's a very dark side," said Carnegie Mellon chemistry professor Terry Collins. He said the underlying premise of the petrochemical industry is that "those little molecules will be good little molecules and do what they're designed for and not interact with life. What we're finding is that premise is wrong, profoundly wrong. What we're discovering is that there's a whole world of low-dose (health) effects." Many of these chemicals are disrupting the human hormone system, Collins said. These are substances that don't appear in nature and "they accumulate in the human body, they persist in the environment," Berkeley's Wilson said. The problem is science isn't quite sure how bad or how safe they are, he said. But plastics also do good things for the environment, the chemistry council says. Because plastics are lighter than metals, they helped create cars that save fuel. A 2005 European study shows that conversion to plastic materials in Europe saved 26 percent in fuel. "Compared to the alternatives, it reduces greenhouse gases (which cause global warming) and saves energy; that is rather ironic," Swift said. Still, chemists who want more sustainable materials are working on alternatives. Another founder of green chemistry, Paul Anastas, an assistant administrator for the Environmental Protection Agency, said: "We can make those things in other ways." LSU's Overton is old enough to remember the days before petrochemicals. There were no plastic milk and soda containers. They were glass. Desks were heavy wood. There were no computers, cell phones and not much air conditioning. "It's a much more comfortable life now, much more convenient," Overton said. Swift said trying to live without petrochemicals now doesn't make sense, but he added: "it would make a good reality TV show."
[Associated
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