石油和煤炭的未来? ".. EROEI for fracked gas in a representative Pennsylvania county was about 87—six times better than for Persian Gulf oil" - 🔗 网页链接 , "the marginal costs of .. the wind and solar farms is far lower than ..coal(GMO2013Q1)" 请教 @不会游泳的徐胖子展开全文
"China has not updated the IMF on official gold holdings since April 2009 (reported at 1,054 tons). ... In 2012 alone, China imported more gold than all ECB holdings." 到底是听谁的呢!? @不会游泳的徐胖子@影子武士2012展开全文
