July 2, 2010
|Jet streams create artificial clouds that block out the sun.|
If you are jetting off for an exotic holiday this summer, spare a thought for those you leave behind.
Because it seems that sun-seekers are responsible for leaving the rest of us languishing under grey skies – thanks to the emissions from aircraft engines.
These vapour trails create clouds which, experts claim, can block out sunlight for millions. This is the reason that our skies appeared unusually blue when the Icelandic volcano Eyjafjallajokull was erupting, and all flights over Britain were banned.