Punctuated disequilibrium
Article Abstract:
According to recent analyses, largest parts of the Amazon forest, which sprawls across an area about as large as Western Europe could end up turning into dry Savannas, which is a state from which there may be no turning back even if the climate returned to normal as a result of occasional but extreme climate. The effect of global warming increased carbon dioxide, deforestation, on the Amazon ecosystem is discussed.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2005
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Prime directive for the last Americans
Article Abstract:
The article recounts Sydney Ferreira Possuelo's experiences with the Koruban tribes in the Amazon basin and his non-interference policy in their lives. This non-interference policy has gained worldwide approval but has also been criticized by Brazilian critics.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
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Deja Vu Disks
Article Abstract:
A report of the inability of copyright authorities to stay ahead by issuing new keys and whether such policies are the best way to balance fair use with intellectual-property rights is presented.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
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