Consumers can also act to protect the air. Car emissions are a source of nitrogen oxides . Keep motor vehicles tuned up . Reduce use of cars whenever possible. Carpooling, public transportation, walking and bicycling are helpful alternatives.
Solvents are sources of hydrocarbons.
You should avoid household solvents such as furniture stripper and paint thinner. Keep all solvents Highly sealed to avoid evaporation. The stratosphere is found 10 to 25 miles above us. Here ozone acts as a permanent protective layer which screens out the sun's harmfulul ultraviolet rays. This upper ozone Is formed naturally when the sun reacts with natural nitrogen compounds.