It is apparent that world climate is changing in mainly resulting in global warming and associated consequences such as sea level rising, growing hot spot, ice malting and varying rain fall. Therefore now a days the word "Climate Change" has become a topic of forefront dialog at both national and international level. Many efforts are being made by world to overcome the problems in two ways one is minimizing some of causes for climate change such as reducing CO₂ emission to the atmosphere. The other is making strategies to adopt to the changing climate.