here else. 2.They knew that given time, the environment would take care of pollution they left behind and they relied on the "out of sight, out of mind" philosophy. 3. Today, an increasing human population, which uses an increasing amount of energy sources, no longer has the luxury to ignore pollution. 4. The human population is approximately 7 billion. 5. Our overall energy consumption has gone up by a hundredfold from 2,000 per/person/day to 230,000 per/person/day in modern industrial nations like the United States. 6. This high energy consumption allows us to mass produce many useful and economically affordable organic products that pollute the atmosphere and groundwater damage forests and lakes causing global warming, and even deplete the ozone layer. (Borrowed from a biology textbook) The main idea of this passage is that
0 out of 0 correct.