admin on July 14th, 2008
It is believed that one of the most effect ways to prevent global warming is to reduce the amount of carbon dioxide which is released into the earth’s atmosphere. Large industries and the countries which burn fossil fuels such as oils and coal can have a profound effect in reducing the amount of carbon dioxide by changing their fuel source s to those which do not use fossil fuels.
The use of hydro power, solar power, wind power, geothermal power and even nuclear power will produce significantly less carbon dioxide.
It is not only the large industries which can change their fuel source to help prevent global warming, all people who drive cars can opt to walk or cycle rather than using petrol or diesel fuel and using less electricity in the home and workplace will also contribute to the reduction of greenhouse gases going into the atmosphere.
Many small business, groups of people and individuals have turned to wind or solar power in an attempt to reduce their carbon footprint by adopting some small but significant steps in their living styles and habits; for example by leaving a television or DVD player on stand by can increase the ‘phantom loads’ of electricity which is estimated to be as high as eleven percent ‘wasted’ residential electricity. One of the easiest ways to help prevent global warming is to make sure your house and offices are draught free and insulated properly also by using more efficient light bulbs and by turning lights off when they are not needed. If people were to turn down their heating by just ten degrees it is estimated that the energy saving would be between three and five percent. If every car owner were to walk on one of their journeys everyday the resulting reduction in greenhouse gases would be profound. Not only will these simple changes help prevent global warming but will also save money!
Another major way to prevent global warming is for humans to bring a slow down and ultimately a halt to deforestation. Nature has its own way of getting rid of excess carbon dioxide through photosynthesis with plants and trees. As huge areas of forest are destroyed there are insufficient flora and fauna left to perform photosynthesis and remove bad gases.
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admin on July 10th, 2008
Gases in the atmosphere keep the earth warm. Some gases stop heat from escaping out of the atmosphere and into space. This is one of the natural causes of global warming, with gases such as carbon dioxide, methane and water vapor playing natural roles in the process. If there were none of these gases the earth would be very cold.
Methane is gas is naturally released from the aortic tundra and wetlands, methane is a greenhouse gas that traps heat in the earth’s atmosphere and is a natural cause of global warming.
Volcanic eruptions can be a natural cause of global warming, as the smoke and gases cause an umbrella effect that does not allow sunlight to pass through the atmosphere.
Any change in the earth’s orbit, no matter how slight, could cause the earth to move closer to the sun or further away from it, the earth would then become hotter or colder respectively.
From studying and researches of the world’s history it is known that the earth has gone through periods of Ice Ages and global warming periods for millions of years. Although the scientists do not know for definite what causes these changes it is believed that natural occurrences such as ‘sun spots’ (explosions of the sun), massive volcanic eruptions and explosions on a massive scale caused by meteors hitting the earth may contribute to natural causes of global warming.
Another cause if natural deforestation caused by forest fires that rage out of control, these fires are not caused by man.
The permafrost, frozen wastelands of both the North Pole and South Pole, have become known as carbon sinks; carbon, methane and other gases are locked into the permafrost and unable to escape. As man builds on the permafrost it is causing it to slowly thaw, and so the gases are escaping into the atmosphere. When this occurs the permafrost becomes a natural cause of global warming.
The oceans can also be a natural cause of global warming; the surface of the oceans carries about 800 billion tons of carbon, which are dissolved within the top layers. The atmosphere, without any artificial chemicals holds about 750 million tons.
Although there are natural causes of global warming, it is believed that man’s contribution of greenhouse gases is increasing global warming at an unnatural rate.
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