China produced almost half the world's coal in 2010, three times more than the United States, the world's second largest producer, and almost as much as the next 10 highest producing countries combined. While coal is found abundantly across the globe (outside of the Middle East), proven recov ...
Adam Guy Riess (born December 1969, Washington, D.C. ) is an American astrophysicist at Johns Hopkins University and the Space Telescope Science Institute and is widely known for his research in using supernovae as Cosmological Probes. Riess shared both the 2006 S ...
据美国EAI网站报道,全球天然气价格有很大的不同 ( http://www.eia.gov/todayinenergy/detail.cfm?id=3310 )。 Global natural gas prices vary considerably from one region to another. Since the beginning of 2010, North American prices have been relatively low, Asian prices relatively h ...