ASEAN’s vision of a haze-free region by 2020 looks increasingly cloudy by the day.A decades-long problem for the region, ASEAN defines haze as smoke resulting from land and/or forest fires which harm health, living resources, ecosystems and material property and impairs or interferes with amenities and other legitimate uses of the environment.The ASEAN Agreement on Transboundary Haze Pollution (AATHP) was signed in 2002 to tackle haze in the region, and three years ago in 2016, ASEAN member n