Natural disasters: Revenge of nature or curse of animals

From the beginning of human civilization, animals are being killed for various reasons. In 1995, three Indian scientists presented their research work in Russia. According to which the humanity has to face natural disasters like earthquakes due to butching of animals. Has human civilization ever suffered from this type of natural disasters? To know this we have to study the great desert of Sahara. At the same time we will see the possible effects of animal butching in India.