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December 3, 2008 3:05:06 PM CST


ozone layer

ozone layer news stories

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 Cataract Risk 
 Linked to Climate Change 

Rising UV levels will hit developing countries hardest

(Newser) - As climate change drives ozone depletion and increases the level of ultraviolet rays reaching Earth's surface, humans' eyesight will be suffering more and more, AFP reports. UV rays are one of the leading causes of cataracts, which in turn cause 50% of avoidable blindness worldwide. The trend is likely to have the biggest impact in developing nations. More »

More about:  public health blindness eyes cataracts ozone layer opthalmologists

Star Could Fire Death Ray
at Earth

Perfect spiral 8K light years away produces gamma rays

(Newser) - Don't freak out, but an unstable star a mere 8,000 light years away could go supernova at any time, sending a massive gamma ray burst hurtling toward Earth, possibly destroying the ozone layer and blasting half of the planet with deadly radiation. WR 104 is what's known as a Wolf-Rayet star, and "Wolf-Rayet stars are regarded by astronomers as ticking bombs," a researcher tells Space.com. More »

More about:  supernova gamma rays ozone layer

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