We all know that the global warming causes climate change. Due to climate change the living on earth are changing day by day. Human along with other species have to change their livelihood. Lands are becoming drier, fertility of lands decreases. Sea level gets high. And we know the other problems due to climate change. 

Maplecroft is a farm that researches on countries, cities, political, economic, societal and environmental risks and issues. Recently it has published the Climate change Vulnerability Index 2014. In the index Bangladesh tops the list of most vulnerable countries. The research shows that the economic impact will be most keenly felt by Bangladesh. 

On the other hand the most at risk cities filed by Maplecroft is Dhaka. Dhaka is one of the rising cities in the world. Reports said that the commercial and economic events of Dhaka will be affected by climate change. Maplecroft categorizes Dhaka at Extreme Risk. 

Climate change in Bangladesh is an crucial issue according to National Geographic too. Bangladesh has low lying coastal region which will go under water in coming decades. For the country with the increase of population and hunger rising sea level will have a largelyadverse effect on food security.