The Wall Street Journal last month reported on a U.S. Geological Survey report [PDF] suggesting that economically extractable coal reserves in the United States, typically measured at some 240 years’ worth, could be substantially less abundant than previously thought – perhaps only half the estimated reserves.
Ang Wall Street Journal noong nakaraang buwan iniulat sa isang ulat ng US Geological Survey [PDF] nagmumungkahi na extractable matipid karbon Taglay sa Estados Unidos, karaniwang sinusukat sa ilang mga 240 taon na halaga, ay maaaring maging mas mababa sa kalahatan masaganang kaysa sa dati naisip - marahil lamang sa kalahati ng tinatayang Taglay.