We live in a beautiful world but i think that we do not take care of it and the man has destroyed it throughout the years also occasional events of the nature too, one of the main cause of the environmental deterioration is the population growth with the time the population is growing and it allows the expansion of the cities and ending with the ecosystems as well as the animals and forests.The industries and enterprises are the other reason which throw a big amount of wastes and pollution too much. There is other cause is a great concern the change in climate is melting the north pole and increase the global warming and damaging the ozone layer. we most have more awareness about this situation and leave a better planet to future generations