With the increasing number of population and destruction of the nature, a lot of disasters have happened in the world. While most of them are natural, few were man-made and all of them caused devastation to humans. Let’s take a look at the six worst disasters in the world.There is absolutely no doubt any more in anyone’s mind that climatic change is man-made in part at least. Even though the impact of global warming remains at the benign band of a predicted range, this will be a disaster of unprecedented proportion. For years now this disaster has been slowly unfolding that it has been nearly invisible.Recently you would have seen the effects of it, mountain glaciers all around the world melting in addition to north polar sea ice caps and the Greenland ice caps. Drought gravely impacting the Southwest United States, sub Saharan Africa and Australia. Unprecedented floods devastating the nation of Bangladesh.