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- NATURE, Page 59Meter-Made Crusade
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- Zoos find a two-bit way to save tropical rain forests
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- Midway between the lair of the Bengal tigers and the stamping
- ground of the African elephants at the San Francisco Zoo is an
- attraction more commonly seen along city sidewalks: a parking
- meter. But drop a quarter in and you get a lot more than 30
- minutes of parking time. When a donor turns the handle of the
- modified meter, a mechanical red-throated hummingbird flies
- across a jungle scene, signaling that the donation will be used
- to save a small plot of tropical rain forest.
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- The Conservation Meter was the brainchild of zookeeper
- Norman Gershenz, who came up with the notion while feeding the
- koalas one day. "It creates a link between the wild and what's
- going on in the city zoos," he says, and it offers zoogoers the
- opportunity to "do something immediately" for endangered
- habitats.
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- A vividly hued sign on the meter offers a sense of the
- impact of the coins, which go to La Amistad National Park in
- Costa Rica. Each hectare (2.5 acres) preserved, reads the sign,
- will save 500 butterflies, 200 orchids, 10,000 mushrooms, 20
- frogs, half a parrot and a thousandth of a jaguar. The message
- seems to make a deep impression on budding environmentalists.
- "It's really neat," says Lily Lubin, 9, who persuaded her
- parents to part with some change. "It feels like every time I
- put a quarter in, I'm saving an animal's life."
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- A second conservation meter has popped up at the National
- Aquarium in Baltimore, and zoos and aquariums in more than 20
- other cities, including Seattle and Philadelphia, have requested
- the machines, which were developed with financial backing from
- the Virginia-based Nature Conservancy. If each of the 1 million
- annual visitors to the San Francisco Zoo gave 25 cents, the
- $250,000 could purchase more than 800 hectares of rain forest.
- Nationwide, more than 120 million annual zoo visitors could save
- 100,000 hectares a year. Impressive though that sounds, it will
- take many more quarters to reverse the fate of the rain forests,
- which are disappearing at the rate of 20 hectares a minute.
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