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| | SignOnSanDiego.com > News > Bulldog Edition -- As the planet warms, newer scientific data impresses skeptics |
 | | MAUNA LOA OBSERVATORY, Hawaii — Two miles up, above fl lava fields and a white blanket of clouds, a tower rising from this U.S. government observatory gulps in some of the clear, crisp air and gets a taste of man's future on Earth. |
 | | The news from Mauna Loa and other monitoring stations has increasingly disturbed scientists because carbon dioxide traps heat, as do other "greenhouse gases" generated by humans, and global temperatures have, indeed, been rising — by almost 1 degree Fahrenheit over a recent 18-year period, a relatively rapid increase, NASA experts reported in April. |
 | | Atop Mauna Loa, amid the silvery domes of the National Oceanic and Atmospheric Administration observatory, Barnes is researching aerosols in the stratosphere, firing a laser's green beam into the night sky to measure particles as far as 50 miles up. |
| www.signonsandiego.com /news/bulldog/20040619--climate2.html (1423 words) |
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