Air pollution and air quality has been a topic of concern for decades in the United States. While great progress has been made toward cleaning up our air, there is still much left to do to make air quality healthful for the country's citizens. These experts note, "The United States has a...

THE PROBLEM (INTRO) The poisoning of the Earth's ozone layer is increasingly attracting worldwide concern for the global environment and the health effects of life on the Planet Earth. There is not just one particular cause for the ozone's depletion; the accumulation of different ...

The Poisoning of Our Ozone Layer The poisoning of the Earth's ozone layer is increasingly attracting worldwide concern for the global environment and the health effects of life on the Planet Earth. There is not just one particular cause for the ozone's depletion; the accumulation of di...