Thursday, September 12, 2019
The Threat of Urban Cities of Policing Essay Example | Topics and Well Written Essays - 2500 words
The Threat of Urban Cities of Policing - Essay Example The cities become bigger around the Anthropocene, as the world population engages in the biggest ever urban migration. The geological timescale, however, illustrate that the cities are most probably temporary, just like any other human constructs. Majority of the cities will not withstand the disastrous humanity effect, which is combined with the natural upheavals (Michael 401). Historically, the urban environments were developed within fertile river valleys, and strategically at the river mouths. The rich agricultural sediments, nutrients and moisture available in coastal deltas greatly enhanced the food production. The favorable maritime environment and also effective river connections supported the trade and transportation activities. Thus, people found this environment very ideal to reside in. Further increase in the population led to the tapping and the diversion of the rivers for the purposes of irrigation, canal transportation and also industry applications. The rivers were also trapped for usage as reservoirs and dam, with the aim of energy generation and also water storage. But the diversion of the rivers leads to negative environmental consequences such as droughts. The sediments are not moving downstream in appropriate quantities because of river diversion and also tapping. The sediments are also inadequate to maintain the deltas that are require d for erosion control at the ocean shores (Albert 78). Rapid industrialization during the last century enhanced these processes. This is the reason why presently, several urban centers experience threats of the storm surges, and thus a lot of the economically significant areas on the planet are likely to be lost. Major world cities like New York and Bangkok have been adversely affected by the flood conditions. The other cities that are at risk from flood disasters are; Mumbai, Shanghai, Miami, New Orleans, Calcutta and Alexandria. Approximately three billion individuals
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