Our planet have been suffering from lots of natural calamities lately. They happen everywhere and cause a lot of damage to the whole population. During the last several decades the amount of earthquakes has incseased badly. What awful consequences had the earthquake in Japan! An earthquake, like all other natural calamities has a negative effect on nature, destroys and distorts it. The world in which the humanl lives is renewing very slowly, that's why people should take care of nature, value it and apart from that he should protect the environment.