PERTH, AUSTRALIA--October 15, 2013--Researched by Industrial Info Resources Australia (Perth, Australia)--Coal seam gas (CSG), also known as coal bed methane in the U.S., is a hotly contested issue in New South Wales as gas producers such as Santos Limited (ASX:STO) (Adelaide, South Australia) look to develop more gas fields for production. Meanwhile, environmental groups lobby for tighter controls, or to ban the practice altogether.