It is widely accepted that humans have been a major cause of environmental problems since we began creating our cities and especially since the Industrial Revolution of the 20th century. All aspects of the Earth have been affected by humans' desire to conquer and dominate the planet. Our impact has gone beyond pollution to altering the functioning of many natural systems. These systems include our atmosphere, several land ecosystems and the complex water environments of …showed first 75 words of 914 total…

…showed last 75 words of 914 total…on cars and scrubbers on power plants. We must understand that although these problems may be presented separately they are all linked-air pollution cannot be considered separately from water pollution because air pollutants wash out of the air in rainfall, polluting water. The realization that human societies have a severe and pervasive effect the environment, and we must, if we are to avoid catastrophe, learn to operate in a manner that our environment can sustain..