BEIJING (AP) — More than 60 percent of China's vast shale gas deposits are in regions with scarce water resources, complicating plans by the energy-hungry country to tap the natural gas, according to a U.S.-based research group. The World Resources Institute said China has the world's largest reserves of natural gas trapped in deep shale rock but most of it is in arid areas such as deserts or regions where farming and industry already stress water resources.Read more on NewsOK.com