|Cathie Katz scours the beach
almost daily looking for treasures. "Beachcombers collect all
the stuff that other people just pass by," she says. (Photo by
Beachcombers Turn Trash Into
Thanks to a network of beachcombers
around the world -- a group becoming more connected, organized and
efficient -- environmentalists and scientists can now follow things
swept from one place to another in the ocean's roiling currents.
That's important for tracking everything from weather systems to the
movement of oil spills.
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