(October 17, 2018, 1:32 PM EDT) -- DENVER — An attorney for the Colorado Oil & Gas Conservation Commission (COGCC) and another representing residents on Oct. 16 debated before the Colorado Supreme Court whether the COGCC has the discretion and authority to engage in rule-making regarding the agency’s responsibility to protect public health in its development of oil and gas resources through hydraulic fracturing (Colorado Oil and Gas Conservation Commission, et al. v. Xiuhtezcatl Martinez, et al., No. 2017SC297, Colo. Sup.)....