Word: co2
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Dates: during 1990-1999
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Carbon dioxide, or CO2, lasers have been widely used since 1994 to bloodlessly eradicate wrinkles and sun damage by vaporizing the upper layer of skin, thus stimulating the underlying collagen fibers to rejuvenate the skin. Some 170,000 people had laser resurfacing done last year, making it by far the most popular laser procedure. Though chemical peels do essentially the same thing--and cost less than the average $2,500 to $3,000 for laser resurfacing--lasers have the advantage of being more controllable, since chemicals are absorbed at different rates by different skin...
...used on the thinner surface of the neck and chest as well as the face, as long as the doctor exercises caution. Yet even these supposedly gentler lasers can sting and, in inexperienced hands, burn and scar if they penetrate too deep. Worse, up to 20% of CO2-laser patients (and possibly some Erbium ones as well) risk ending up with whitened skin one to two years after the procedure, according to Dr. Jay Burns, a laser specialist at the University of Texas Southwestern Medical Center...
...carried this out to an extraordinary degree. He noted that the old Reichstag, heated and cooled by fossil fuels, produced 7,000 tons of carbon dioxide a year. Foster came up with a system of "driving the building" with renewable vegetable oils, such as rapeseed, for fuel. Its CO2 emissions have dropped 94%, to 440 tons a year. The waste heat is converted into cooling capacity, and the small heat surplus is dumped into aquifers 1,000 ft. below ground level, where it is stored and recovered in winter...
...fossil fuels acknowledge the problem. "The science would indicate," says United Mine Workers president Cecil Roberts, "that there is something happening here." The CEO of American Electric Power, quoted in the current issue of FORTUNE, agrees. "It's clear to me that there is an increase of CO2, that it's probably not for the good, and we ought to do something about...
...reason for disagreement is based almost entirely, and naturally enough, on self-interest. The European Union, for example, wants to see industrial nations--its own members included--bring emissions of CO2 and other heat-trapping gases down to 85% of what they were in 1990, and do it within the next 12 years...