Reuters: Hope is fading for a global deal to regulate the airline industry's greenhouse gas emissions ahead of a fall deadline, even though failure could push the industry back to the brink of a trade war over the European Union's emissions trading system.
Last November the EU suspended its controversial scheme to force all airlines to buy carbon credits for any flight arriving in or departing from European airspace.
The scheme had pitted European states against China, the United States, India and others,...