Dark of the world (global dimming) is to the ground by the sun's light is reduced. English referred to as the dim sun (not dim sum dim sum, do not misunderstand). dim sun, can mean less energy from the sun. The dark of the world, but not because of the sun which gives light and energy reduction, but the sun's light to the ground become dark.
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Dark of the proposed global
This global phenomenon is darkened by a Japanese-born scientist atsumu ohmura suggested that he was the Global Meteorological Institute in Switzerland, and he _set_ him in 89 years, and many other scientists in the relevant research data, while presenting the dark world of this phenomenon . Scientists compare 80's and 60's the amount of sun light (solar radiation), or the amount of solar radiation received by the ground, found all over the world is a decrease of 2% to 7%, average about 5%. Some scholars also point out that if the city calculated the amount of light as much as 10% reduction. According to the Hong Kong Observatory data, compared to 90's and 60's, sun throughout the year to calculate the amount of light in Hong Kong has been reduced by 10-15%.
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The dark world of the culprit
To a global dark clouds of the culprit is the smoke and tail pulling (ie, contrail, the aircraft flying at high altitude leave condensation wake). It is said that nine hundred and eleven attacks in the United States, due to the country to stop any aircraft, after launch, and that increasing the temperature a few days at a time (1 ℃), which means the aircraft were grounded due to temperature rise can be made once (1 ℃). Experience which will probably be pulling the aircraft can have smoke darkened the world, and can probably pull smoke darkened the sun light shines on the ground by about 2-5%, and can make the temperature rise was. Rapidly growing global shipping, global level is also worsening the dark.
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Dark of the consequences of global
The dark consequences of the global reduction of monsoon rain (monsoon) occur, and is hidden by the warming effects of global warming. More cloudy days, but can people feel stagnation, may indirectly increase the psychological barriers, family disputes, or even increase the suicide rate too!
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Global dimming and global warming
Scientists found that as human emissions of carbon dioxide to the atmosphere unchecked, global warming disaster emergency! However, it seems short-sighted, and at the end feel of human disaster of this magnitude, just blind pursuit of economic growth and material comforts. However, why the "greenhouse effect" thunder and rain, yet the Earth has become like ovens? The reason is very ironic, actually exacerbated the pollution of atmospheric particulates, and in turn block the sun heat, to off_set_ the warming. Scientists calculated that if the atmosphere to reduce particulate pollution, global warming, which will highlight the gravity of the Earth's average temperature will make in the next 30 years about the rapid increase of 5 °, to the end of this century, representing an increase of up to 10 °! When that happens, and Antarctic ice sheets melted Ge Ninglan make sea levels rise by about 9 meters, the world will inevitably flooded coastal cities, but the majority will have been turned into green woods dry Hansha desert wilderness. Save the disaster, to be darkened and the greenhouse effect in the global complexity of factors that weigh both pros and cons In order to gather more evidence, scientists may wish to check the historical data found that rates of air pollution, changes in the Earth's sunshine, an average of 30 years has decreased by about 20%! Believed to be resulted in a number of climate disorders, severe drought or storm floods culprits, including the drought in Ethiopia a decade ago. Europe in recent years, the effectiveness of efforts to control air pollution, but into a dilemma: While the reduced particulate emissions, clean air, and helpless under the sunshine rate, the ground continued economic prosperity, the concentration of carbon dioxide continues unabated, but highlighted the greenhouse effect so that the average temperature increase, causing a series of forest fires (Portugal BU teeth), and abnormal floods. Can be seen in "dark world" and "greenhouse effect" are two factors that weigh gains and losses, to save the climate catastrophe, the problem has become more complicated. Atmospheric accumulation of carbon dioxide is a serious crisis in reality, difficult to reverse the day and night, in fact, the world has been aware of the unusual seasonal weather patterns, such as more typhoons, more frequent floods, each behind the phenomenon, are hidden under a more large disasters, is worrying. However, in power to the heads of state who is often in the election system itself or by the already trouble, seemed to to the urgent interests, take away the limited resources to cope with future disasters before. In fact, scientists have repeatedly warned that the survival of human civilization is at an important juncture advance and retreat. If in the next 10 years, people still play the fool play Lou, did not immediately take urgent action to save the brink of collapse for the next generation to seek the climate balance, a disaster is about to enter the countdown, the only regret was too late.