"Sustainability means using, developing and protecting resources at a rate and in a manner that enables people to meet their current needs and also provides that future generations can meet their own needs."(www.ezinearticles.com) When the aspect of Environmental Sustainability comes into the picture, numerous environmentalists have given numerous sets of causes, impact and effects, that have contributed and led to environmental degradation. Numerous environmentalists have been discussing various causes for the degradation and the major three of them are discussed here.
Firstly, the concept of growth of population is one of the main aspects of the various concepts put forth by scientists and environmentalists. It is largely felt that growth in world population has led to the greater demands for resources and has also been creating more and more demands for employment, social services, education, greater political and socio-economic efficacy.