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of global warming are of concern both for the environment and human
life. Scenarios studied by the Intergovernmental Panel on Climate Change
(IPCC) predict that global warming will continue and get worse much
faster than was expected even in their last report. Research by NOAA
indicate that the effects of global warming are already irreversible.
The IPCC reports attribute many specific natural phenomena to human
causes. The expected long range effects of recent climate change may
already be observed.
Rising sea levels, glacier retreat, Arctic shrinkage, and altered patterns of agriculture are cited as direct consequences of human activities. Predictions for secondary and regional effects include extreme weather events, an expansion of tropical diseases, changes in the timing of seasonal patterns in ecosystems, and drastic economic impact. Concerns have led to political activism advocating proposals to mitigate, or adapt to it. Geoengineering is a further potential response, which could potentially reverse some effects that may otherwise be irreversible.
It is notable that many of the effects of global warming are non-linear in nature, with potential for dramatic positive feedback effects. This means that the climate may enter a critical state where small changes can trigger runaway or abrupt climate change. Geoengineering has been suggested as a means of interrupting or reversing these effects. A notable example of a 'runaway' effect is the release of methane from clathrates (known as the clathrate gun effect).
The 2007 Fourth Assessment Report by the IPCC includes a summary of the expected effects.
What the Other Side Is Saying About Global Warming
While the majority of celebrities and many scientists in the world view global warming as a disaster of epic proportions, not all agree. Some people, even scientists, have opposing viewpoints that are based on their own formal observations and the data from many sources. It is interesting to explore what these people have to say about global warming.
One of the most talked-about aspects of global warming is the rise in sea levels. If you are to believe most people who speak on global warming, you have to think that many habitable places on earth will soon be underwater. There is some evidence to refute this.
There is a professor of paleogeophysics and geodynamics at Stockholm University who presents interesting data. According to this professor, the sea levels are in the same range they have been in over the last three hundred years. There has not even been the slightest rise in sea levels in the last decade.
While a sea level rise of .1 to .9 meters is predicted by the year 2100, it is not seen by this group of people as a dangerous situation. After all, there was a .2 rise in the sea level during the past century and humans did not even seem to notice.
When the global warming pundits talk about the rises in sea level that result from three sheets of ice that melt per year, it is the opponents of the movement that put it into terms that make sense. If the ice continues to melt at that rate, it will take a thousand years to raise the sea level by 5 cm.
The people who preach on the dangers of global warming believe that Hurricane Katrina and others were intensified by global warming. Many experts on the other side of the fence claim that the extreme storms have not been unusual earth events.
They also say that better reporting of severe weather occurrences contributes to the impression that global warming is having an impact.
While those dedicated to stopping global warming are worried about the recession of the snows of Mount Kilimanjaro, others believe there are reasons besides global warming. These people say that you have to understand how glaciers interact with the climate around them. Knowing that the air has been drier, they say, leads you to the fact that the glacial recession is a natural occurrence.
Many people who fear global warming say that it will increase diseases like malaria by allowing disease bearing mosquitoes into higher elevations. Others realize that there are other reasons for the additional cases of malaria and other such diseases.
These include the facts that ...
1) people from lowland areas are resistant to disease but carry it with them when they move to higher elevations,
2) deforestation leaves a breeding ground for mosquitoes, and 3) more pools and ditches will lead to more mosquitoes.
For many reasons, global warming is not a subject that everyone agrees on. People from all over the world have different opinions and they often do not wish to see another's viewpoint. When the true facts about global warming are clear, people can begin to come together to address the problem.
More ArticlesForecasting The Future Of Global Warming
... get it right, neither can the predictor of global warming. Some of the difficulties inherent in forecasting future global warming have to do with those same factors that every meteorologist faces. Winds can cool the air or warm it depending on the direction they take. Cloud cover can cool a hot day. Air ...
... In the current era, the sun has radiated more intense heat, human activities have raised the temperature, and greenhouse gases have increased rapidly. Different models were given of the course global warming would take in the next century. The models were run using different scenarios. They all turned ...
... the situation. Heating and cooling have a big effect on the amount of global warming caused by a house. Some ways to help this are very simple. One is to design the house to sit on the lot so that sunlight will come in through the windows and warm the house. It can also be oriented so that breezes will ...
... very inhospitable place to live. Rising temperatures in the oceans' waters are a clear indication that the process has begun. With the melting of ice in the glaciers, icecaps, and on the sea, it is only a matter of time before global warming has much more harmful effects. It is up to the people of the ...
... change people's behavior is to make it financially advantageous to be concerned about global warming. If gas prices are higher, people are spurred on to finding a more fuel-efficient vehicle, or even a different fuel source altogether. Tax incentives and government subsidies can also encourage people ...
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