what they mean, but this is a bad way to put it, because it implies you're supposed to be bound by some plan you made early. The problem is assuming monstrous proportions. Radioactive pollution of the environment is due to the increase in natural background radiation, emerging from the activities of man involving the use of naturally occurring or artificially produced radio-active materials. But once they get started, interest takes over, and discipline is no longer necessary. Today, many Third World cities and even entire rural valleys are blanketed by smoky haze, the poor mans smog. For example the pollution of air is the contamination of pure air by the harmful agents like soot, noxious fumes by vehicles and industries.
Because a glider doesn't have an engine, you can't fly into the wind without losing a lot of altitude. Especially when they excuse laziness. They may also cause headaches, nausea, and loss of coordination.
Flies which breed or get in contact with the contaminated soil become carriers of disease organisms. Environmental choices must be guided by a vision of a desirable human society and of the quality of the natural environment needed to support that vision. Notes 1 A doctor friend warns that even this can give an inaccurate picture. In such a world it's not a good idea to have fixed plans. Without distractions it's too obvious to your brain that you're not doing anything with it, and you start to feel uncomfortable. Tobacco smoke generates, a wide range of harmful chemicals and is a major cause of ill health, as it is known to cause cancer, not only to the smoker but affecting passive smokers too. The presence in water of micro-pollutants-toxic chemicals and metalsand of disease-causing micro-organisms has increased over the years. Biological pollutants mostly include allergens that can cause asthma, hay fever, and other allergic diseases. If you think it's restrictive being a kid, imagine having kids. And I agree you shouldn't underestimate your potential. One of the greatest problems confronting the modern civilized world is pollution, which literally means fouling the natural habitat and environment Air pollution, water pollution, land pollution, noise pollution are some of the many types of pollution. A ll the nations of the world should work united to control environmental pollution.