Our life after 50 years

libraries make an inportant part of the world culture.There are many books in the world.I read many different books.But the look " Twenty thousand Longues under the Sea"and around the world in Eighty  days.He dreamt to see the world many years  after.So, each 50 years.I dream to grow of populatior,destruction of wildlife.To make air clean we need good  filters at nuclear power stations Both clean water and clean air are necessary for our health.