Asian gecko threatened by medicine trade

Activists warned Thursday that wild populations of Southeast Asia's striking Tokay Gecko were in danger of being over-hunted for use in traditional medicine in China and other countries.

Hong Kong light pollution 'one of world's worst'

Hong Kong is one of the world's worst cities for light pollution with night skies around 1,000 times brighter than globally accepted levels, researchers said Wednesday ahead of this year's Earth Hour event.

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