Population in the world today Probably the most pressing concern of the modern world — both environmentally and socially — is the escalating global population. The geometrical growth in numbers over the last century, when estimated, presents an ominous picture of massive, unsustainable growth and accompanying famines and health crises.
“According to the United States Environmental Protection Agency, driving a car is the single most polluting thing that most of us do.” This is not a new problem. In the 1950’s the Los Angeles smog made head-line news. Car exhaust causes health problems. There are many solutions to the problem.
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