As the development of economics, more and more people can afford buying cars. And the congestion issue becomes more serious in some populous area. And the congestion contributes a lot to bad air condition. In terms of traffic congestion, I have to mention Beijing. It has large population and huge number of cars. Locals complain […]

German Effluent Water Tax Intensive sectors (such as energy, chemicals, and construction) in the post-war period caused serious environmental problems as the construction of wastewater treatment facilities did not keep pace. Compared to other industrial nations, such as the UK and Japan, Germany did not have the option to dispose wastewater from its industrial areas […]