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Business Home Internet A study by a NASA researcher suggests that exhaust from planes plays a significant role in the climate of the USA. Terra satellite image shows contrails over southeastern USA on Jan. 29, 2004.

Business Mlm Opportunity Contrails, the thin, white clouds that planes leave behind in the sky, are responsible for a portion of the warming recorded in the USA from 1975 to 1994, says Patrick Minnis of NASA's Langley Research Center in Virginia. During that period, the USA's average temperature rose by 1 degree hardly a heat wave, but significant by climate standards.

Create a breeze. If possible, open windows or install strong exhaust fans to quickly clear smoke out of your home, Dr. Taylor suggests.

Based Business Home Income The finding is likely to make contrails, the subject of much research and debate, more of a focus for scientists who monitor the nation's climate.

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Based Business Home Internet Attention so far has focused on "greenhouse gases," which trap heat in the atmosphere. They are created by the burning of coal, gas and other fossil fuels. The new research provides the best evidence yet that contrails are adding to the warming caused by greenhouse gases.

A new action plan designed to help business electricity customers tackle climate change has been unveiled by the Carbon Trust. The body's new initiative has been created particularly to help companies that have decided to embrace energy efficiency in the new year, with the organisation also claiming that its measures could save businesses £1.4 billion. Among the recommendations are tips suggesting that firms should measure their carbon footprint, replace inefficient lighting, switch off PCs and reduce their heating usage.

Business Homebased Opportunity "It suggests we may be having a double whammy here," says Andrew Carleton, a climate expert at Pennsylvania State University. "It's not good news for the Earth when you've got greenhouse gas increases and you've got ... contrails (that) seem to warm the surface of the Earth."

Fuel lines should be far from the exhaust pipes, mufflers, and manifolds, since excessive heat can cause vapor lock.

Based Business Home Mlm If atmospheric conditions are just right, the contrail can form a cirrus cloud. Such clouds are the feathery ones seen high in the sky. (Related: Contrails from the National Weather Service)

Business New Opportunity No matter how they form, cirrus clouds help warm the Earth's surface by trapping heat, much like a layer of blankets.

Business Home Online Minnis reports that the conditions necessary to create natural cirrus clouds did not become more common from the 1970s to the 1990s. The only other possible cause of the growth in cirrus clouds: the increase in air traffic.

Best Business Home Opportunity He also found that the clouds created by those planes' contrails could have been responsible for nearly all of the 1-degree rise in the USA's average temperature.

Business Investment Minnis acknowledges that it's difficult to calculate exactly how much of the U.S. warming is attributable to contrails. It could be only a small fraction. Even so, he says, the contribution is "significant."

Business Home Making Money By Traci Watson
USA TODAY - 4/28/2004

Topic: Climate Change

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