After years of review, the agency formally declares that emissions from airplanes cause climate change and are a threat to public health—and need to be controlled. By John H. Cushman Jr. The Environmental Protection Agency formally declared Monday after years of review that greenhouse gas emissions from airplane engines cause climate change and endanger human health and the environment, just as exhaust fumes from cars do, and that they likewise need to be controlled. See Also: New U.S., Canada, Mexico Climate Alliance May Gain in Unity What It Lacks in Ambition EPA Begins Crackdown on Methane Emissions Blazing Hot First Half of 2016 Sends Climate Records Tumbling read more