U.N. backs changes to aviation emissions scheme in boost for airlines

MONTREAL (Reuters) - A UN agency agreed on Tuesday to change a landmark aviation emissions scheme, in a boost for airlines that said they could face billions of dollars in costs under the current deal when air travel recovers from the coronavirus pandemic.The International Civil Aviation Organization's (ICAO) governing council agreed to change the baseline year used for calculating emissions under the global CORSIA deal to 2019, the agency said in a statement.Airlines, hit with a European-led..