Natural Disasters 

Natural disaster an unknown thing that we couldn't stop it. We just can take the current steps for its protection. Natural disaster is a big issue in the sector of world environment. We can stop or prevent the pollution but we have nothing to do with the natural disasters. Many disaster's cause until not found. The major natural disasters in the recent world is earthquake, flood, Tsunamis, Drought, Tornadoes etc. Basically natural disasters are really a consequence of natural hazards. It causes to a heavy loss of human life as like as environmental and financial. 

Some natural disasters really changed our human life in history. 

In 2004 the world's most damaged disaster was Tsunami, held was Indian ocean earthquake and its costs 229000 lives peoples (approximation). This was the first biggest shocking disaster in 2000 decades. 

In 2005 the Kashmir Earthquake the magnitude was 7.7-7.9 which cost 79000 lives in Pakistan. This was the most shocking thing in 2000 decades. 

At firstly 1906 the San Francisco Earthquake was really a hazard of the Nigh teen decades. 

Like above disasters there are many natural disasters that changed our history.