Schneider makes an excellent point, "peoples health depends on the basic ingredients of life-air, water, and food." These essential components to a healthy life start here on the earth we live.
An important aspect to consider, where you live and how highly populated the area is in which where you are living will have an effect on the environment. In a highly populated city where traffic is constant, it is likely that air quality will not be as good which could have a direct impact on ones health.
One simple thing we as individuals can do is prevent loitering. Take pride in keeping our environment clean by reducing, reusing, and recylcing!
Radiation is certainly an environmental health concern. Ultraviolet Radiation which comes from the sun, is the a primary cause for melanoma and skin cancer. That means we as people have to limit our time/exposure to the sun, apply sunscreen, and cover up our bodies if we are in the sun for extended periods of time.
Certain types of occupations are more frequently exposed to larger amounts of toxic substances. Consequently, these workers suffer the negative health effects. This on the job exposure is likely much worse than anything these workers would experience in the their normal environment.
I was surprised on the role of the government in terms of keeping our environment clean. I had not realized the governments importance on creating and establishing rules that protect our water and our land.