SCIENCE IN THE NEWS WEEKLY
Global Warming Threatens Resource-Poor Africa
U.N. officials said last week that Africa is especially vulnerable to the harmful effects of global warming and lacks the resources to deal with them. They said industrialized nations should not look to developing nations to reduce greenhouse gas emissions without doing more themselves.
Meanwhile, the U.S. National Academy of Sciences joined with other such scientific groups in a dozen nations in calling on world leaders to limit the threat of climate change by decreasing their dependence on fossil fuels.
And the authors of an article in American Scientist magazine looked at the ecological effects of climate change on the Antarctic Peninsula. They say the average midwinter temperature there has increased by 6 degrees Celsius since 1950, or five times the global average.
American companies that burn coal to make electricity are looking for a way to build plants that would capture their emissions, a strategy that may become a lot more important soon, according to the New York Times.
And, finally, the Christian Science Monitor began a series called "Empty Oceans" that looks at disappearing fish stocks and changing undersea ecosystems, among other factors that are raising alarms.
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PODCASTS: Expanding With the Cosmos
Using the Atacama Cosmology Telescope (ATC), a 6.5-meter microwave collector in Chile, cosmologists are piecing together the early history of the known universe. In an exclusive American Scientist interview, Arthur Kosowsky—a member of the ATC team and a professor in the Department of Physics and Astronomy at the University of Pittsburgh—discusses how he is using ATC to reach back in time billions of years to search for gravitational waves that could verify inflation and reveal unprecedented details about how the cosmos was born.
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