living carbon: In a first, US startup plants carbon-guzzler GM trees
Barely a week ago, in a low-lying tract of southern Georgia's pine belt, a half-dozen workers planted row upon row of twig-like poplar trees. These weren't just any trees, though: Some of the seedlings being nestled into the soggy soil had been genetically engineered to grow wood at turbocharged rates while slurping up carbon dioxide from the air.The poplars may be the first genetically modified trees planted in the United States outside of a research trial or a commercial fruit orchard. Just as the introduction of the…