Your carbon footprint must be extremely low

來源: Sunnylian. 於 2014-12-21 19:25:03 [] [舊帖] [給我悄悄話] 閱讀數 : (152 bytes)

If you are carbon-neutral (that means, no car, no flight, nooo..nothing), I am pretty sure you can win Nobel prize for how to live with a zero-emission.

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