Pollution As time advances pollution is every where, humans more and more rely on machines to live their lives. Machines like cars and trucks, airplanes, computer; all of which produce some kind of pollution. Maybe air, water, and even noise pollution are cause by these machines. Efforts to improve the standard of living for humans have resulted in pollution. Much of the world's air, water, and land are now partially poisoned by chemical wastes. Some …showed first 75 words of 732 total…

…showed last 75 words of 732 total…