News tagged with united nations

Obama readies climate change push at UN summit

President Barack Obama will seek to galvanize international support in the fight against climate change on Tuesday when he addresses the United Nations, with time running out on his hopes of leaving a lasting ...

Sep 22, 2014
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Scientists say the ozone layer is recovering

Earth's protective ozone layer is beginning to recover, largely because of the phase-out since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel reported Wednesday ...

Sep 10, 2014
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