나사 기후 변화 보고서
1부
관련 사이트
NASA Scientists See Hastened Arctic Warming
Arctic summers ice-free 'by 2013'
Rate of ice melt shocks warming experts
Methane hydrates and global warming
Past Climate Variability and Change in the Arctic and at High Latitudes
Methane Burps: Ticking Time Bomb By John Atcheson
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