... worry that other chemical refrigerants may not have the same effectiveness as freon, which is the most popular "active ingredient- in car and home air conditioning systems (Makhijani, 79). However, EPA regulations adopted in 1999 and 2000 mandate checkups on car air conditioning systems and static a/c systems in commercial buildings to ensure that there is no freon or CFC leakage. Conclusion Ozone ... in the years since 1960. Numerous industrial and chemical processes were probably responsible for the increase in ozone-reactive CFCs and other chemicals since then, but the drastic increa...

• Word Count: 1616
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate

... of controlled explosion produces various harmful emissions "most notably Hydrocarbons, Carbon monoxide, and Nitrogen Oxides. Hydrocarbons, which are toxic and carcinogenic, escape into the air during refueling and running a car engine and cause eye irritation, congestion, wheezing, shortness of breath, permanent lung damage, and acid rain. They also react with Nitrogen Oxides in sunlight to form ground level ozone. A colorless ... ...

• Word Count: 923
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate