A livelihood is sustainable when it can cope with and recover from stresses and shocks and maintain or enhance its capabilities and assets both now and in the future Natural assets of livelihood of char people represents the natural resources such as land, water, timber and wider environmental goods that are critical for traders and associated groups, to support production. Many people, in Bangladesh, are found to live in the chars despite harsh physical conditions there. The study examines the sustainability of natural assets of livelihoods of char people and explores the influence of land and river, and the impact of climate change on their natural assets. The study found a scenario of feudalistic society, gender impact of energy insufficiency and a devastating impact of climate change on the livelihoods in the char. The livelihood pattern of the people of char is insecure, vulnerable and unsustainable. They are deprived of land, safe drinking water and energy insufficiency. They survive depending on agriculture, livestock-rearing and fishing. Although the people of char try to help themselves under all kinds of odds, it is recommended that, there is a strong need for institutional support to assist them in tiding over such difficult circumstances.