<span> After 1492, people and civilizations of long separated regions had started to gain their connections. Because of this, trades and expedition between one country to another started to happen.
This created a cross culture between one region and another and an exchange of tradition, arts, knowledge, and philosophy, which marked a turning point in the history</span>
Urban environmentalism then may be described as the collective effort to hold, protect, and shield the complicated urban surroundings and concrete environmental characteristics.
The collective effort to maintain, guard and protect the complicated city environment and urban environmental characteristics. City sprawl takes place although it negatively impacts the surroundings. urban sprawl occurs when there is room for towns to make bigger outward. it's far less complicated and much less expensive to construct outward than it is to construct upward. building outward also permits for much less crowded situations.
City regions can grow from increases in human populations or from migration into urban areas. Urbanization regularly outcomes in deforestation, habitat loss, and the extraction of freshwater from the surroundings, which may decrease biodiversity and regulate species levels and interactions.
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President Obama's first inauguration was held during the depths of the Great Recession. The situation was dire; the economy had lost nearly 3.6 million jobs in 2008 and was shedding jobs at a nearly 800,000 per month rate when he took office.