© Provided by Mediamerge Corporation Newly-appointed Environment and Natural Resources Secretary Roy Cimatu poses for a photo before being sworn into office by President Rodrigo Duterte ahead of the 15th Cabinet meeting in Malacañang on Monday, May 7, 2017. Robinson Niñal/PPD Environment Secretary Roy Cimatu on Tuesday warned mining firms to observe responsible mining and avoid destructive practices or face sanctions His pronouncement came in response to President Rodrigo Duterte's second State of the Nation Address, in which the chief executive emphasized mining's impact on the environment. "I know for a fact that in a number of cases, weak and irresponsible mining practices result [in] environmental destruction—contaminating farmlands and poisoning our rivers and seas," Cimatu said in a statement. "Miners better refrain from despoiling our watersheds, forests and aquatic resources," he added. Cimatu said the Department of Environment and Natural Res...