We must contemplate the possibility that some regions of the Earth will experience high levels of warming (>4°C) within the next 100 years, as well as altered precipitation and ocean acidity. Under these circumstances, the future for many species and ecosystems is so bleak that assisted colonization might be their best chance.-- say Ove Hoegh-Guldberg et al in Assisted Colonization and Rapid Climate Change.
22 July 2008
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