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...Lecture social issues and the environment unsustainable to sustainable development human beings interact both with world nature economic stable are required for continual improvement of lifestyle living standards but until now was oriented limited rich nations achieved by damaging over exploitation natural resources which were non renewable that caused instability crossed threshold limit environmental damage can be defined as meeting needs present without compromising ability future generations meet their own it is effective use while preserving ecosystem so not only presents fulfilled also interlinks carrying capacity causes some people argue developing countries responsible degradation others hold them important rate increase national pollution total in this regard developed contribute much more than raising population third crucial pollutant essential control all means should look at reserve man organism has sustain organisms true aims optimum high degree sustainity minimum wastage ...