Christopher Joyce archive

November 27, 2009 Scientists in California are experimenting with carbon banking. The idea is to manage forests so they absorb more carbon dioxide from the atmosphere and slow down global warming. Countries could, in essence, be paid to turn their forests into carbon banks. But first, climate scientists need to become climate accountants — to put hard numbers on how much carbon trees breathe in and out.

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• China Announces Plans To Cut Carbon Emissions
• Obama To Attend Copenhagen Climate Summit

November 25, 2009 Alfred Russel Wallace was Darwin's colleague, a globe-trotting naturalist who helped shape the theory of evolution. Thirty years ago, an antique shopper wandered into a modest antique shop in Arlington, Va., looking for Chinese carpets and wound up buying a magnificent rosewood cabinet. It contained Wallace's personal collection of 1,600 butterflies and insects.

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• Since Darwin's Era, Following Science Got Complex

November 9, 2009 A team of scientists is studying mud, ooze and other material from the bay's bottom to help the EPA crack down on pollutants. The tubes of glop they've collected from throughout the Chesapeake Bay are like biopsies — they indicate where the bay is healthy and where it's dying.

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October 29, 2009 A Senate committee has begun hearings on a massive climate bill that would remake the energy economy. Supporters say it will protect the environment and create a new green industry. Opponents say it will kill the fossil fuel industry — costing millions of jobs.

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October 1, 2009 Scientists working in Ethiopia have discovered what they say is the biggest trove of fossils yet from the earliest known human ancestor. Fossils include teeth that suggest a new, more sophisticated procreation strategy for the time: males exchanging food for sex.

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September 30, 2009 Every spring, male grouse gather in the Great Plains and engage in a mass act of strutting, showmanship and general vocal frenzy that would put Mick Jagger to shame. For researchers, it's an opportunity to observe how these animals interact in a rapidly changing American West.

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September 30, 2009 California Sen. Barbara Boxer unveils a bill to reduce greenhouse gas emissions by 20 percent to help slow climate change. The plan uses a cap and trade system and would rework the nation's energy economy.

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September 27, 2009 The American Museum of Natural History in New York unveiled something never before seen: an 11-by-4-foot tapestry made completely of spider silk. The tapestry took four years to make, with the help of more than 1 million spiders.

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September 19, 2009 An ancestor of the fearsome Tyrannosaurus rex shares its big head, deep jaws, tiny arms, long legs and lanky feet — but it's 1/90th the size. Even pint-sized, it was a predatory powerhouse.

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• Ancestor of T. Rex Was a Feathered Dino
• T. Rex 'Lived Fast and Died Young'

September 16, 2009 A survey of "feminization" of fish finds that a large percentage of male bass are producing egg cells. Scientists suspect this abnormal phenomenon is the result of synthetic chemicals in water that mimic the behavior of female hormones.

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September 14, 2009 Researchers at the American Museum of Natural History in New York City have identified a specific section of DNA that seems to be unique to each species. Using this "barcode," they can evaluate meat and skin samples to determine if they came from an endangered species.

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