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A clean and healthy environment is part and parcel of the wealth and quality of life that we desire for ourselves now and for our children in the future. People demand that the air they breathe, the water they drink, and the food they eat is free of pollution and contaminants; they want to live undisturbed by noise, and they want to enjoy the beauty of the countryside, unspoiled coastlines and mountain areas. They also want a world that is not threatened by climate change.
Healthy and balanced natural systems are essential for supporting life on this planet. Society relies on nature to provide us with the resources for our survival: air, water, food, fibers, medicines, and building materials. Children need to grow up aware of the nature around them. As human beings we have a responsibility to preserve the actual value of nature both for ourselves and for future generations.
In recent decades, there has been a growing realization that the quality of our air, water, soil, and food affect the quality of our health and of our lives.
This ranges from increased allergies, respiratory disease, and cancers to the disorder of the body’s hormone and fertility systems, and premature death. The causes of our various environment-health problems are numerous and include pollution from transport, agricultural activities, industrial processes, domestic waste matter and waste management. The scientific researches, conducted over centuries, show that the pollution of the atmosphere reached its top.
The contaminants in the air have a negative impact on the health of children, as well as adults. Our respiratory organs, our vision, and our hearing are damaged because of the high amounts of contaminants in the air, water, and soil. A substantial number of people have conditions such as asthma, other respiratory problems or difficulties with additional organs of the body.
Ozone depletion is defined as the thinning of the ozone layer, caused by a group of manufactured chemicals called ozone-depleting substances (ODS). Ozone –depleting-substances include chlorofluorocarbons, halons, carbon tetrachloride, methyl bromide, hydrobromofluorocarbons, and Bromochloromethane. Chlorofluorocarbons are mostly used in refrigeration, air conditioning and heat pump systems. Halons are used historically as fire suppression agents and fire fighting, but now only allowed in very limited situations. Carbon tetrachlorides are limited solvent use in laboratories and chemical and pharmaceutical industry. Methyl bromides are historically used in fumigation, soil treatment, pest control, quarantine, market gardening. Hydrobromofluorocarbons are historically used in fire suppression systems and fire fighting. Bromochloromethanes are historically used in the manufacture of biocides.
Enhanced greenhouse effect is an increase in the concentration of greenhouse gases in the atmosphere that results in more heat being retained and an overall warming of the Earth’s temperature. Although they make up a small percentage of atmospheric gases, changes in the concentration of greenhouse gases have a huge effect on the balance of natural processes. Burning fossil fuels – coal, oil and natural gas – releases carbon dioxide into the atmosphere. Cutting down and burning trees also produce a lot of carbon dioxide. Because there are more and more greenhouse gases in the atmosphere, more heat is trapped which makes the Earth warmer. This is known as global warming.
Global warming is the increase of Earth’s average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth. This is a type of greenhouse effect.
Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. Global climate change will affect people and the environment in many ways. Some of these impacts, like stronger hurricanes and severe heat waves, could be life threatening. Others, like spreading weeds, will be less serious. And some effects, like longer growing seasons for crops, might even be good! However, as the Earth keeps getting warmer, the negative effects are expected to outweigh the positive ones.
Nowadays, increasing a number of people concern about environment protection. However, whether the responsibility of protecting our environment is supposed to be taken by governments has become a controversial issue. I am going to discuss this topic and present my viewpoint.
First of all, governments should educate resident’s awareness of the environmental pollution issues and make every effort to keep our city clean and safe. For example, people should sort rubbish for recycling daily and when they go shopping use green bags instead of plastic bags because this will reduce plastic waste and protect our land and trees. Also, government should encourage people reducing their dependence on private cars and using public transports and riding bicycles more often. By doing so, this will not only decrease the emission of carbon dioxide from cars and will but also reduce traffic jams and accidents on the road and decrease air pollution.
Secondly, governments should take action to inspect pollution control measures in factories such as the discharge of waste water or gas is legally or not. If factories do not follow legal requirement, governments should give them penalty and impose severe fine immediately. Moreover, governments should encourage enterprises to create energy saving equipment such as solar energy and hydraulic power system.
Each and everyone of us should be aware of what is happening in our environment. We could reach out to people who don’t care about our surroundings and we could change their negative attitudes to positive ones in creating a better place for us to live in. I guess, by becoming more environmentally aware we can minimize the detrimental effect we have on our world by keeping ourselves fully informed about the bad effects of these environmental issues such as- ozone depletion, greenhouse effect, global warming, and climate change.
To sum up, creating a clean and ideal earth should depend on us making effort on it. The responsibility of environmental protect should be shared between individual and governments. We cannot put all responsibility for protecting the environment on to governments. If everyone can change their habits, the day when people live in a both materially and ecologically balanced environment is not far.
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