Global warming and climate change are the terms that we come across daily in news papers. Global warming refers to increase in average temperature of earth's atmosphere and it can have various causes. But it is most commonly associated with human activity and specifically the release of green house gases (GHGs). In the long run it will lead to climate change. Various sectors viz, energy supply, industries, agriculture and transportation significantly contribute to emission of GHGs. Similarly global warming can also have impact on health, agriculture, water resources, diverse animal and insect...