回复：Major metropolitan area is the safest

来源: blocked 于 2010-11-10 13:38:16 [] [旧帖] [给我悄悄话] 阅读数 : (280 bytes)
本帖于 2010-11-10 15:32:00 时间, 由普通用户 jy101 编辑
回答: Major metropolitan area is the safest 由 Conehead 于 2010-11-10 13:14:01

maybe or maybe not. alternative energy could be the solution of all this. there are still a lot of natural gas and other cheaper petroleum products that are available for future energy use. if there is breakthroughs in battery techology, it could be game changer as well...

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