An analysis of a decade's worth of tropical cyclones shows that when hurricanes blow over ocean regions swamped by fresh water, the conditions can unexpectedly intensify the storm. Although the probability that hurricanes ...
Earth Sciences
Aug 13, 2012
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(Phys.org) -- It's been a busy first year in space for Aquarius, NASA's pioneering instrument to measure ocean surface salinity from orbit.
Space Exploration
Jun 12, 2012
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'When the River Runs Dry' is a familiar song in Australia. Some rivers in the arid center of the continent flow only after a stiff monsoon season, and smaller tributaries all over the country commonly shrink to puddled potholes ...
Environment
May 7, 2012
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Brazil will boost its military presence in the Amazon region to protect its huge natural resources from any external threat, Defense Minister Celso Amorim told the Senate.
Environment
Apr 27, 2012
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The Andean Amazon is becoming a major frontier for new hydroelectric dams, but an analysis of the potential impacts of these planned projects suggests that there may be serious ecological concerns to take into account. The ...
Environment
Apr 18, 2012
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Small-scale gold mining in French Guiana is having long-term effects on diatoms, small single-celled algae, by eliminating the species that are most vulnerable to water turbidity. The findings come from research carried out ...
Environment
Feb 29, 2012
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The Internet is letting a school sprout in the Amazon where teachers tend not to linger due to harsh living conditions and a scarcity of students.
Internet
Aug 20, 2011
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Deforestation in Brazil's Amazon increased by 15 percent during the past 12 months, the National Institute for Space Research (INPE) said.
Environment
Aug 18, 2011
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Deforestation in Brazil's Amazon accelerated in June, with more than 300 square kilometers destroyed, a 17 percent increase over the previous month, government researchers said Tuesday.
Environment
Aug 3, 2011
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(AP) -- From sea otters to blue whales, marine mammals are under stress from climate change, ocean acidification, hunting and other threats. Researchers have identified 20 important sites around the world where they say ...
Ecology
Aug 1, 2011
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