Climate Change Formula: Rising Sea Levels + Coastal Megacities = Forced Migration | Parag Khanna

source: Big Think     2016年7月28日
If global temperatures rise by just four degrees celsius, the forecast is cloudy with a chance of obliteration. Khanna’s latest book is Connectography: Mapping the Future of Global Civilization (http://goo.gl/fUVuXR).
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