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Global Warming And Polar Bears Article
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What Causes Global Warming Also Prevents the Earth From Entering Another Ice Age
from:Global warming is an issue that concerns everyone and ongoing research is being carried out to find what causes global warming. The fact is the earth is getting warmer, meteorologists have known this for quite some time now. The average earth temperature is rising at a rate of one percent per century, however the last 10 years has been the hottest years ever recorded. The earth is quickly becoming hotter and scientists believe the pace will only accelerate to reach up to 2 to 9 percent hotter before this century is over.
With climate changes come changes in the environment, animal, insect, plant and human life. One of the biggest challenges for scientists today is to find out what causes global warming and to combat its deadly consequences.
One view for what causes global warming is that it is just a natural phenomenon as seen after the ice age when the world warmed up. However, even more scientists feel that human intervention has played a large part in what causes global warming.
The greenhouse effect is one of the major theories today for what causes global warming. Scientists believe that gases are trapped within the earth’s atmosphere and do not release into outer space. These gases act like a blanket covering the earth and thus cause the atmosphere to remain bogged down with hot air. The greenhouse analogy is used because the hot air is trapped within the atmosphere in much the same way as hot air is captured by the sun through a glass dome and trapped in a greenhouse. Though the temperature may be cold outside of the greenhouse plants can grow inside the greenhouse because it is hot. The hot air cannot escape.
The gases in the earth’s atmosphere act like the panes of glass in the greenhouse, they serve like a blanket above the atmosphere, and as the suns rays enter the earth’s atmosphere it does penetrate through the blanket of gases to absorb in the atmosphere as energy for the earth, land, water, biosphere, etc, but when this energy is absorbed, some of it will escape and return to space. The earth was designed in this fashion to normally contain some of the gases in its atmosphere to keep the earth relatively warm and sustainable for plant and animal life. If all the gases were to escape back into space the earth would be about sixty degrees (Fahrenheit) colder than what it is right now.
The problem with the greenhouse effect is that even though the earth was designed to release some of the gases back into outer space after they were absorbed as energy on earth, these very gases are not able to once again penetrate through the earth’s atmosphere to release into outer space. The earth may not enter another ice age but it may in time become too hot to sustain life.
Global Warming And Polar Bears News
Polar bears may not stand the heat of global warming, but once rare butterfly ... - Greenfield Daily Reporter
 Sydney Morning Herald | Polar bears may not stand the heat of global warming, but once rare butterfly ... Greenfield Daily Reporter (AP Photo/Butterfly Conservation, Keith Warmington) WASHINGTON — Global warming is rescuing the once-rare brown Argus butterfly, scientists say. Man-made climate is threatening the existence of many species, such as the giant polar bear. A global-warming winner: Once-rare butterfly thrives |
A Pivotal Moment: Act Now to Ban Trafficking of Polar Bears for Profit - Natural Resources Defense Council (blog)
 Natural Resources Defense Council (blog) | A Pivotal Moment: Act Now to Ban Trafficking of Polar Bears for Profit Natural Resources Defense Council (blog) My grandchildren and thousands of other school children know that if we fail to limit carbon pollution, polar bears could be one of the first species driven to extinction by global warming. Yet instead of protecting polar bears in the face of this ... |
All Share Services - Salon
All Share Services Salon Man-made climate is threatening the existence of many species, such as the giant polar bear. But in the case of the small drab British butterfly, it took a species in trouble and made it thrive. It's all about food. Over about 25 years, the butterfly ... |
Not the Change Polar Bears Need: President Obama's Polar Bear Extinction Plan - Huffington Post (blog)
Not the Change Polar Bears Need: President Obama's Polar Bear Extinction Plan Huffington Post (blog) President Obama's "Polar Bear Extinction Plan" has a disturbing history. It was a sobering but also promising moment in 2008 when polar bears were the first species added to the threatened species list solely because of threats from global warming. |
Get ready for Rio +20 - Bangor Daily News
Get ready for Rio +20 Bangor Daily News Baby polar bears around Hudson Bay are not drowning. A recent Canadian study of these “vulnerable” animals has shown that they're doing very nicely, thank you. There's an astonishing 66 percent more of them around Hudson Bay than previously estimated. |