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 America. They needed to realize the harm that was being done to the natural resources and their decreasing availability as a result. With the decreasing availability and increasing prices of oil, new energy sources had to be ....