There is a rapid decline in the amount of vegetation and animals in many countries, because of a number of various factors, that can be natural which is climatic or man made due to humans disturbing the environment. Natural factors include famine and drought. Man made factors include export and import, infrastructure development, different chemicals. Therefore the earth has find it quite challenging to retain it's pride which is the vegetation and animals. In recent years science have proved how there has been a decline in different types of species. Export and import has a hand also.