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Shake It Off: Earth's Wobble May Have Ended Ice Age

Some 20,000 years ago, the Earth wobbled on its axis. That happens periodically. But according to a new scenario, this particular time, that wobble sparked a chain reaction of events that melted glaciers and led to a gradual warming of the planet.

Pollution Playing A Major Role In Sea Temperatures

Tiny particles from power plants and fires help create new clouds, which shade the oceans from the sun. This means changes in sea-surface temperatures. And that has profound effects on weather, influencing the time and amount of rainfall in West Africa, and even the number, strength and path of hurricanes.
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Wildlife in our Region - Foxes, Beavers, and Coyotes, Oh My

Spring is a great time to visit our region's parks, where you can spot great blue herons, foxes, owls, and bald eagles. We've got tips on where to go, and how to observe animals safely and respectfully.


Polar Bears' Melting Habitat Forces Zoos To Act

Polar bears live on sea ice but that habitat is slowly disintegrating. Juliet Eilperin of The Washington Post, and Dr. Jeffrey Bonner, President and CEO of the St. Louis Zoo, talk to David Greene about a push to preserve polar bears. The idea is to keep a number of them in captivity to preserve the gene pool .

Gold Miners Dig Deep — To The Ocean Floor

Next year, an Australian company plans to start drilling deep underwater off the coast of Papua New Guinea to extract deposits rich with copper, gold, silver and zinc. The firm says the operation is much less messy than mining on land, but some scientists worry about the impact on deep-sea life.