U.N. Secretary-General Ban Ki-moon has urged governments to speed up slow-moving talks to forge a joint response to global warming and warned that climate change was an "existential challenge for the whole human race.
ກອງປະຊຸມການປ່ຽນແປງ ຂອງອາກາດແກ່ຍາວໄປ ກາຍກໍານົດ 1 ມື້
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Aspen, the most widespread tree in North America, is suffering from what scientists call sudden drought-induced death from climate change. Photo credit: Kimberly Pham
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Why It Matters Climate Change
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A relative of Chinese passengers aboard Flight MH370 takes a nap against the wall displaying messages of wishes for the passengers during a briefing held by Malaysia officials at a hotel in Beijing, April 11, 2014.
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Farmer Issiaka Ouedraogo arranges cocoa beans, laid out to dry on reed mats, on a cocoa farm outside the village of Fangolo, near Duekoue Ivory Coast, May 31, 2011.