Air temperature within the tropopause remains constant with increasing altitude. Stratosphere The stratosphere (22k jpeg) is the second major strata of air in the atmosphere. ... Urban and Regional Air Pollution What are the main pollutants in our air and how do they affect our health? How does air quality in Australia compare with that overseas? ... A number of pollutants affecting urban and/or regional air quality are listed in Table 1. ...

• Word Count: 2950
• Approx Pages: 12

Acid rain has become an environmental concern of global importance within the last decade. With the increasing environmental awareness of the "unhealthy" condition of our planet earth the concern about acid rain has not lessened. In brief, acid rain is rain with pH values of less than 5.6. When dealing with acid rain one must study and understand the process of making Sulfuric acid. In this project we will take an in depth look into the production of sulfuric acid, some of its uses and the effects of it as a pollutant in our environment. ...

• Word Count: 3045
• Approx Pages: 12
• Has Bibliography

Acid rain is the term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture. ... More than 90% of the sulfur and 95% of the nitrogen emissions which occur in North America are due to the pollution created by humans.1 How Is Acid Rain Formed? ... It becomes sulfuric acid as it joins with hydrogen atoms in the air and falls down to earth. Oxidation occurs most in clouds, especially in heavily polluted air, where other compounds such as ammonia and ozone help to catalyze the reaction, increasing the amount of sulfur dioxide changing to sulfuric acid. ...

• Word Count: 3648
• Approx Pages: 15

• Trees turn carbon dioxide into oxygen that helps us breathe and reduces air pollution. • Trees also filter lots of other chemicals from our air and purify it making the air healthier for us to breathe. ... • They also clean the air by stopping a lot of flying dust particles etc from flying. ... Trees also reduce noise pollution, act as wind buffers and absorb dust and other air pollutants. ... Trees can reduce noise in urban environments Noise pollution can drastically affect one's quality of life. ...

• Word Count: 2774
• Approx Pages: 11
• Grade Level: High School