The headings in this article provide links to some of the topics in the Ideas Bank. Click on the Ideas Bank link, or to see a full list of topics. See Resources Bangladesh Bangladesh is now widely recognized to be one of the countries most vulnerable to climate change. Natural hazards that come from increased rainfall, sea level rise, and tropical cyclones are expected to increase as climate change, each seriously affecting agriculture, water & food security, human health and shelter. It is believed that in the coming decades the rising sea level alone will create more than 25 million climate refugees.