As long as we're consuming fossil fuels, we're putting out CO2,"says Klaus Lackner, a geophysicist at Columbia, University" We cannot let the CO2 in the atmosphere rise indefinitely.
出自-2012年6月閱讀原文
When things come at you very fast, naturally you lose touch with yourself" We have more and more ways to communicate, but less and less to say
出自-2012年12月閱讀原文
Beyond race We also don't yet know how long the Obama effect—both its good side and its bad—will last
出自-2010年6月閱讀原文