The growth of megacities "(Mega-Sim, Patty) Meteor-like now, more than 25 properties, causing environmental problems and sangkhomayangmahuema, both cities in the world, occupy only 2 percent of the surface of the Earth, but three quarters of the resources used in each year. The various sub wreck half to what remains, making the cloud greenhouse gas crisis. Billions of tons of waste, as a result, rivers are toxic and cause the water to large cities group to destroy the Habitat of things like. Cause damage to soil and water resources are used for food and forestry for wood and paper production.While planners were looking at ways to improve the power of the big city, but the city is organic or clay huts development up by itself, many people in developing countries do not need to be planned. These cabins have a lot of demand response of ideals that are environmentally friendly. The city's designers, they are much more aware on the subject of reducing the rate of streets and alleyways. They are mostly pedestrian, and many people have recycled material used in the city, the rest of them. From the perspective of ecology Cabins and their residents, as for example. Metabolism in green cities, although there is a sanitation failure, and security, they are often social movements. What is the status of the ecosystem that have been lost in the environment of the city.
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