
In the past the life was better than now, green land was spread wider in most part
of the earth, and the emission of toxic gases that have a strong effect on the atmosphere was few. However, with started of the industrial revolution in the twenty-first century and create the industrial countries that led to increased emission of gases as CO2 on the atmosphere and create many serious problems, which threatens all living organisms on Earth.
Yet this danger coming, the governments and every one must fights this phenomenon by finding suitabl
e solutions to reduce these toxic emissions such as the establishment vital projects which have a role to reduce the percentage of emission and avoid our environment from pollution. In addition, one of this projection or solution called cool city. However, it has several areas or zones for example residential zone, business zones, public zone, sports zone and resort zone. In addition, in this city there is green lands and use materials that do not issue or emit toxic gases. For example, solar planets, big fans and dams or hydro electrical all of these materials will give us clean energy without any pollution. And also use transportation by electricity instead of oil for example, use trains or cars and moving through electricity. All this will lead to production of clean and cool air and also preserves our environment.




























