04 Jul '11, 10pm

NASA Earth Observato Logging and Regrowth in Washington State: This pair of images show patterns of forest cl...

NASA Earth Observato Logging and Regrowth in Washington State: This pair of images show patterns of forest cl...

A checkerboard pattern spread across mountains and valleys is usually a signature of agriculture. These squares in Washington state are no exception, but the crop being farmed is trees, and the growing season spans decades. This pair of images, both from the Landsat 5 satellite, shows grids of forest disappearing and gradually regrowing over 26 years. In 1984, logging in the area appears to be in the early stages. In many places, red-brown earth is exposed under the swaths of freshly cut forest. Other grids, cleared just a bit earlier, are pale green with newly growing grasses or very young trees. The rest of the image is dominated by the deep green of dense, mature forest. In 2010, the logging operation seems to be more mature. There is little evidence of fresh cuts, but some areas have been recently cleared. Pockets of mature forest remain, and forest is regrowing in oth...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=51257&s...

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The Fight for GMO Labels State by State

organicconsumers.org 08 Jul '11, 4am

Twenty-four states allow ballot initiatives. Each state has its own requirements for how many signatures are required, how...

Farewell to Atlantis [image] #NASA

earthobservatory.nasa.gov 08 Jul '11, 10pm

At 11:29 a.m. Eastern Daylight Time on July 8, 2011, the Space Shuttle Atlantis lit its rockets and roared into space. Fou...