" Picturing a eco friendly Society” of Lester 3rd there�s r. Brown is definitely talked about the challenge of our today world and offer some possible ways to enhancements made on the future which is sometimes called " fresh version in the future”. So he demonstrates how present societies are not sustainable with all the definition of eco friendly society plus some fact info of today world in an example about the fossil gasoline and climate change. Additionally , he as well gives the attempts to understand eco friendly leads to problems and from those problems, this individual gives an overall global program. On the other hand, he also provides us a lot of information and example about the damage of environment and financial problem like the world need to be sustainable in within the next 4 decades, what makes the global warming and reduces it by using some sort of new systems, and how to using the fossil fuel in a ideal way and reduce global co2 production which changes the climate. To lessen to use the fossil energy, using additional kind of strength is better like solar and nuclear energy, but elemental energy has some drawbacks like utilize it to make the nuclear weapons in fact it is dangerous pertaining to human-being. The earth is certainly not sustainable not only in the environment issue but as well in contemporary society, high delivery rate and the explosive makes some big trouble for any sustainable culture and having some methods to decrease the human population like low birth charge like what China and Thailand do and try to have got only almost eight billion in 2030. Durability society is additionally depends on our responsibility mainly because each person around the world makes the big society. If we always keep this kind of value and do not change it intended for our additional generation, our efforts may not be able to achievement, but want to change anything to make a sustainable world is not easy, nevertheless everyone tries and expects a much better future. In summary, this identifies some strategies to build a world last longer and sustainable.