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Global dimming is a gradual reduction of global direct irradiance, or electromagnetic radiation, that hits the Earth's surface. The process interferes with the hydrological cycle.
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∙ 10y ago
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What can be done to stop global dimming?
To battle Global Dimming we could try to reduce aeroplane contrails and to be done on a Global scale we would see a large increase in Global Warming.
What causes global dimming?
Global dimming stops the sun's heat and light reaching the earth. If this lasts for a long time it could cause much loss of life. Global dimming is one suggestion for the death of the dinosaurs.
Why is global dimming dangerous?
Global dimming occurs when the clouds in the sky reflect the sun's energy back into space. It is also caused by greenhouse gasses. Global dimming can be dangerous because it indirectly causes crops to die, and the waters in the world's oceans to become cooler.
How do volcanoes cause global dimming?
When a powerful volcano erupts, it sends dark clouds of ash into the atmosphere. These dark clouds block out the sun's rays, causing global dimming.
What can global dimming do for us?
Global dimming was a time in the last century when temperatures were cooler because there was so much pollution in the air that it reflected away some of the sunlight. This was not a good situation. If global dimming returned the earth might be cooler, but the air would be more polluted causing lung diseases and other undesirable effects.
What factors other than smog contribute to global dimming?
Aerosols
Why should people care about global dimming?
because it's effect a lot of everything
How do you reduce global dimming?
Global warming is the observed increase in temperature caused by the increase of greenhouse gasses. Greenhouse gasses warm the planet by trapping infrared radiation and slowing its escape into space. Global dimming could roughly be described as the opposite. It is caused by fine particles in the atmosphere (known as "aerosols"). These particles reflect sunlight away, reducing the overall amount of radiation that enters the planet. This has a cooling effect.
How do you prevent global dimming?
Keep the air clean with Clean Air Acts around the world.
Is global dimming man made?
Global dimming happens for a few days after a volcanic eruption, when the air is full of ash and particulates that block the sun. So the earth cools for a few days. There were some years between 1960 and 1990 when the sun's radiation by about 4% by smoke from bush fires, pollution and particulates in the atmosphere, particularly sulphate aerosols. So global dimming is usually man-made, except after a volcanic eruption.
Is global dimming caused by burning fuels?
Global dimming is caused (in theory) by the contrails of planes flying at high altitudes. It is primarily a fools errand to chase this logic. Albedo is a desired issued according to most and this is such a small amount of added albedo to our planet. It is basically alarmist foolishness.
Could global dimming reduce the effects of global warming?
Yes, as light pollution radiates the earth's atmosphere with carbon. No one knows exactly how well will it work if EVERYONE turned off their lights, but maybe we can dim our A/C output a bit after a month of dimming lights :D
