Redwoods Felled a Century Ago to Live On

Clones being replanted today in effort to fight climate change

By Newser Editors and Wire Services

Posted Apr 22, 2013 1:13 PM CDT

(Newser) – A new weapon in the fight against climate change: 18-inch-tall redwood clones. The laboratory-produced trees are genetic duplicates of three giants that were cut down in northern California more than a century ago. Remarkably, shoots still emerge from the stumps, including one known as the Fieldbrook Stump, which measures 35 feet in diameter and is believed to be about 4,000 years old. The tree was about 40 stories high before it was felled.

"This is a first step toward mass production," says David Milarch, the co-founder of the nonprofit group spearheading the project, which is planting redwoods today (yep, it's Earth Day) in Australia, New Zealand, Great Britain, Ireland, Canada, Germany, and the US. The group has developed several methods of producing genetic copies from cuttings, including placing branch tips less than an inch long in baby food jars containing nutrients and hormones. In recent years, the focus has been on towering sequoias and redwoods, considered best suited to absorb massive volumes of carbon dioxide, the greenhouse gas primarily responsible for climate change. But just planting them isn't enough: 90% of trees planted on Arbor Day will die, explains Milarch. "You can't plant trees and walk away and expect them to take care of themselves."

This photo provided by Archangel Ancient Tree Archive shows an unidentified person standing beside a coastal redwood tree near Crescent City, Calif., that is among dozens the group has cloned.   (AP Photo/Courtesy Archangel Ancient Tree Archive)
In this photograph taken April 18, 2013, Jake Milarch holds coastal redwood clones developed in the Archangel Ancient Tree Archive lab in Copemish, Mich.   (AP Photo/John Flesher)
In this photo taken April 18, 2013 shows clones of coastal redwood trees in the Archangel Ancient Tree Archive laboratory in Copemish, Mich.   (AP Photo/John Flesher)
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