Part 1 of Essay
s In the late 1960s to 1970s, Americans realized that industry was doing serious damage to air, water, and the earth itself, the most essential natural resources. The whole awareness of the damage being done to the environment stemmed out from the energy crisis of the 1970s. The energy crisis was a 'slap-in-the-face' for ....

Part 2 of Essay
.... for, and a new movement had been started - environmentalism. If you read this circle it. The environmentalists also tried to advocate the conservation of energy, so that the cleaner but less effective ways could be manipulated to produce more energy. Despite many efforts to keep the environment clean, some 200 million tons of pollutants were filling the air each year, and clean air in many cities had been replaced by smog. The earth, air, and water were deteriorating as construction of highways, malls, and ho ....