In Bangladesh, climate vulnerability is increasing along with poverty. But during international climate change debates, concern over justice is glowing to finance adaptation. In this line, Bangladesh formulated National Adaptation Programme of Action (NAPA) under UNFCCC guidance to abate climate change impact. The research views mainstreaming as a process of promoting adaptation to "transform vulnerability into (climate) security". In Bangladesh, NAPA mainstreaming is government-led and subject to use existing institutions and regulatory frameworks. Therefore, in what extend NAPA...