Southeast Asia banks on aviation boom

BANGKOK, Thailand  -Major airport expansion projects are taking off across Thailand, Cambodia and Vietnam, and a new airline is set to launch next year — all banking on an expected boom in air travel in Southeast Asia, fueled by Chinese and Indian tourists.

But there are doubts about whether it will materialize in an uncertain economic environment and as worries about the impact of travel on climate change deepen.

Thailand’s Really Cool Airlines is…