Luke Metzger is Executive Director of Environment Texas. Luke is a leading voice in the state for clean air, clean water, clean energy and open space. He has led successful campaigns to win permanent protection for the Christmas Mountains of Big Bend; to compel Exxon, Shell and Chevron Phillips to cut air pollution at three Texas refineries and chemical plants; and to boost funding for water conservation, renewable energy and state parks. Luke is the author or co-author of numerous reports, including Illegal Air Pollution in Texas.