Urbanization degrades the environment, according to conventional wisdom. This view has led many developing countries to limit rural—urban migration and curb urban expansion. But this view is incorrect. There are a number of reasons urbanization can be good for the environment, if managed properly. First, urbanization brings higher productivity because of its positive externalities and economies of scale. Asian urban productivity is more than 5.5 times that of rural areas. The same output can be produced using fewer resources with urban agglomeration than without. In this sense, urbanization reduces the ecological footprint. The service sector requires urbanization because it needs a concentration of clients. [Read more]
The Great East Japan Earthquake on 11 March 2011 was the biggest earthquake recorded in Japanese seismic history, and the fourth largest recorded in the world. The scope of the triple disaster consisting of an earthquake, a tsunami, and a nuclear accident, far exceeded that of the Hanshin Earthquake of 1995. The repercussions of this disaster spread far beyond the geographical areas directly affected. For example, electric power supply capacity in the Kanto area, which accounts for about 40% of Japanese gross domestic product (GDP), fell at one stage by about 40% from the normal peak—a severe constraint on economic activity, and the supply of nuclear-generated electric power has largely been cut off since then. [Read more]
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