Posts in this category are about Land, the very surface of the Earth. Both rocks and soil can be contaminated with chemicals and eroded away, leaving the landscape scarred and unhealthy. Maintaining soil cover and fertility through agricultural, forestry, and desert recreation practices that prevent erosion and loss of nutrients can restore soil health.
(Adapted from ConservationEconomy.net)
Editor's Note: Journalist and crew member Kathryn Eident is traveling on board the RV Atlantis on a monthlong voyage to sample and study nitrogen fixation in the eastern tropical Pacific Ocean, among other research projects. This is the seventh and final blog post detailing this voyage of discovery for ScientificAmerican.com . But the next leg of the cruise begins now: a deep water exploration of undersea volcanism.
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NASA News - Posted:
March 19,
2010 10:45
Dr. Joanne Simpson, one of NASA's leading weather scientists of the past 30 years, and a world-renowned atmospheric scientist, died on Thursday, March 4, 2010.
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NASA News - Posted:
March 19,
2010 10:45
Freshly exposed earth traces down the slope of Mount Elgon in Uganda where a large landslide buried three villages on March 2, 2010. This cloud-free, natural color image is from March 11.
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