The EPA has declared jet engine exhaust a contributor to climate change that endangers public health — the first step toward regulating jet emissions.
Large commercial jets account for 11 percent of all emissions from the global transportation sector. Aircraft emissions are expected to grow by 50 percent by 2050 as demand for air travel increases.
Regulating aircraft emissions is part of the Obama administration’s goal under the Paris Climate Agreement to reduce U.S. greenhouse gas emissions by up to 28 percent below 2005 levels by 2025. The international pact aims to to keep global warming from exceeding 2°C (3.6°F).
“Addressing pollution from aircraft is an important element of U.S. efforts to address climate change,” Janet McCabe, the EPA’s acting assistant administrator for air and radiation, said in a statement. “EPA has already set effective GHG standards for cars and trucks and any future aircraft engine standards will also provide important climate and public health benefits.”
Both the EPA and the International Civil Aviation Organization, or ICAO, are developing regulations that will cut carbon emissions from commercial aircraft. The ICAO is expected to finalize its emissions standards in 2017, but the EPA could not proceed with developing its own standards in the U.S. until it concluded that jet engine exhaust poses a public health threat.
Via Bert Guevara