Wednesday, March 21, 2007

Long-haul flights leaving their mark

Mar 21 2007

Rhodri Clark, Western Mail

A remarkable picture shows the way that Wales is affected by vapour trails far more than much of England.

Climate change is being accelerated because the country lies under flight paths linking the world's most affluent continents.

Satellite images show that so many long-haul flights cross Wales at high altitude the country can be almost completely obscured by vapour trails.

It is not such a problem over the busy London area because the planes fly at a lower altitude.

The high-altitude trails over Wales prevent heat escaping at night and narrow the temperature gap between night and day.

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