By Bea Scott

With global warming still in the fore and still a big issue, a lot of people are still uninformed properly about it! A lot of places are getting warm, forcing quite a number of people to head off to the beach or fan themselves endlessly. Many are still under the assumption that greenhouse gases, which contribute to making the planet warm, should really go. What they don’t know is that the primary purpose of those gases is to prevent heat from escaping into space, preventing the world from turning into one huge snowball! If they didn’t exist, we wouldn’t be able to live on this planet. This little article will tell you about the most powerful greenhouse gases in the world. Some may even surprise you.

1. Water vapor – Yes. Water. Right on top of the list. Water vapor contributes from 36% to 66% of the world’s greenhouse effect. It’s also the most abundant greenhouse gas! Concentrations of water vapor fluctuate throughout the world, and humans don’t affect it directly on a large scale. In addition, warm air caused by the greenhouse effect can carry more water vapor, amplifying the greenhouse effect further. However, humidity is constant. The net effect is overall positive, and also protects against the excess carbon dioxide.

2. Carbon Dioxide – Ah, the gas that many people blame for heating up the earth. It contributes 9% to 26% of the greenhouse effect depending on area. The world’s species and environmental cycles produce this gas naturally, up to twenty times that of what we contribute! Nature cycles the carbon dioxide through plants and weathering, but human production has sped it up more than nature can account for. Majority of man-made carbon dioxide comes from burning fossil fuels and deforestation.

3. Methane – This gas causes 4% to 9% of the greenhouse effect. Human methane production mostly comes from livestock. By itself, it is an effective greenhouse gas, but it can transforms to water and carbon dioxide in the atmosphere, which makes it quite effective in warming the earth! If that isn’t enough, it also turns into ozone, which is another greenhouse gas! This is why the amount of methane around is has been more or less constant, and it is why its effect is considered small since many who measure it do not include what it turns into.

4. Ozone – This gas we all know and love as protector against the sun rays is also a greenhouse gas. It causes only 3% to 7% of the greenhouse effect. Ozone causes irritation to the respiratory system at ground level, but is normally very light at that level, choosing instead to concentrate higher up. However, the concentration of ozone at ground level is increasing, because of pollution! This is especially concentrated in populated areas. It decays quickly to normal oxygen.

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By Jerome Exner

Article selected by Choice Corporate Housing

Green house gases, are they as big of a problem as people say? People who know little about green house gases, truly are not aware how its effecting our earth, so hopefully this information clears some of this up, and will show you how serious this problem is actually is.

For 2.5 million years, the earths climate has constantly been changing, from our ice ages to warmer years, but in the last century our climate’s temperature has been rising unusually fast, from about 1.3 to 1.5 degrees Fahrenheit. Scientists believe that it is our own human activity, thats driving the temperature up, and this process is called ” global warming”.

Dating back to the times when the industrial revolution began, factories, trains, and eventually cars, have burned fossil fuels such as oil and coal, which were and still are, releasing huge amounts of carbon dioxide, and other gas’s into our earths atmosphere. These green house gases, or trapped heat near the surface of the earth, are formed by a natural process of the sun, and this is called the ” greenhouse effect”. The green house effect, begins with the sun and the energy it radiates to the earth. The Earth and the atmosphere absorb some of this energy, and the rest is radiated back into space. Now with that being said, these naturally occurring gases, in the atmosphere trap some of this energy and reflect it back, thus, warming the earth. Scientists now believe that the green house effect is getting intensified by all the extra green house gases that humans are releasing.

Signs of global warming, include a recent pattern of very warm years. 1998 was one of the warmest years in history, with 2005, a quick runner up. Furthermore, readings taken from ice core samples, Show that green house gas’s, C02, and methane, have hit there highest levels in 420,000 years, and our sea ice is also shrinking.Our sea ice has declined 10% in the last 30 years.

As long as our nations around the globe, consume these energy’s, and increase their fuel consumption, the overall mass of green house gas’s will continue to rise. Researchers predict that our temperature will increase by 2 – 10 degrees Fahrenheit by the end of the century. What is uncertain is what rising temperatures,will mean for our planet.

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