Study on controversial natural gas method hits national level

Hydraulic fracturing, or fracing, is the process used to free up natural gas often deep underground. For years, environmental groups in the West have claimed the process is dangerous to public health and contaminates drinking water. Companies say the process is not only safe, but essential. Now concerns about the process are reaching a national level, as fracing becomes more common throughout the East. FSRN's Conrad Wilson reports.