June 2009 AVIATION AND CLIMATE CHANGE Zero Geoengineering Posted on November 26, 2017 by directorNovember 26, 2017 GAO Report To Congressional Committees Aircraft Emissions Expected to Grow, but Technological and Operational Improvements and Government Policies Can Help Control Emissions Link To Document Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Related