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...Intergovernmental Panel on Climate Change - but it cannot be ignored. Black carbon is already having an impact on the ice atop the Himalayas, the massive glaciers that feed the major rivers of Asia when they melt each spring. Thanks to global warming, these glaciers are receding, threatening the long-term water supplies for the region. Ramanathan, Wilcox and an Indian glaciologist Syed Iqbal Hasnain are working to figure out the impact of black carbon on glacial loss. Beyond warming the atmosphere, black carbon can also speed the melting of glaciers by literally turning them black - soot on snow makes...
...discovery was worth the wait. Analysis of the water ice may give scientists an eons-long look at environmental history: any ice lurking in the shadows of lunar craters would have been there for a long, long time - billions of years, even. On Earth, for example, scientists get their best information about the planet's climatic history from ancient air trapped in polar ice, says Greg Delory of the Space Sciences Laboratory at the University of California, Berkeley. Similarly, the lunar poles are record keepers of conditions over long periods. They are the dusty attic of the solar system, says...
...Mexico's economy is predicted to shrink 7.2% in 2009, its worst slump since the Great Depression. Grim by any measure, the fragile economy is evident in the swelling number of prostitutes working in Mexico City, estimated to have risen 10% in the past year. Residents of Buenavista have long complained of the worsening situation, but now the government has put forth a solution. (See pictures of fighting crime in Mexico City...
...worker circuit would even be legal. Prostitution is a civil offense in Mexico City, and recent efforts to legalize it have gotten snared in legislative gridlock. Torres argues, however, that the rules are ambiguous and that international labor laws recognize sex work as legitimate employment. Further, prostitution zones have long been tolerated along some parts of the Mexico-U.S. border, providing havens for gringo truck drivers and young Texans looking to lose their virginity...
...downtown Mexico City is a long way from the Rio Grande. There are few American clients spending dollars in Buenavista. Mostly the johns are working and middle-class Mexicans who stop here after work and pay as little as $10 for a service. In these conditions, it could be hard to convince many of the sex workers themselves that it would benefit them to relocate to a special zone. "I have been here for 10 years. I had to work hard to get my place, and now I have my regular clients," says Monica, 35, eyeing passing...