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Forests through photosynthesis absorb carbon dioxide (CO2) and release oxygen. The timber of the trees also sequesters carbon. Deforestation means the timber may be used and eventually converted to carbon dioxide, or left to rot, which also means that it is converted to carbon dioxide, a greenhouse gas responsible for global warming. Similarly the green leaves no longer act as carbon sinks to suck in CO2. Either way, deforestation contributes to the global warming process.

A:Deforestation = fewer trees

Fewer trees = more CO2

More CO2 = Enhanced Greenhouse Effect

Enhanced Greenhouse Effect = Global warming

A:Deforestation is one of the main causes of greenhouse effect because as we cut trees, the water cycle gets disturbed causing less rain and the amount of oxygen decreases while the amount of carbon dioxide increases. When the carbon dioxide increases, more heat radiated by earth is trapped on earth, making it warmer than usual, thus increasing global warming and becoming the main cause of green house effect. A:Global warming is caused by an elevation in the greenhouse gases that halo our planet. Atmospheric gases such as water vapor, CO2, methane, and ozone are responsible for impeding the loss of heat away from the Earth. The concentration of these particular gases directly dictate the universal temperature found on Earth.

The effects of global warming can be further exacerbated by deforestation because the removal of densely forested areas decreases the number of the CO2 consuming vegetation.

Photosynthetic organisms, such as plants, undergo a "carbon fixing" cycle which utilizes atmospheric carbon dioxide and synthesizes it into metabolic intermediates (such as carbohydrates). Indirectly, deforestation disrupts the delicate balance between the carbon dioxide produced and consumed. An increase in the concentration of carbon dioxide, along with other greenhouse gases, leads to an increase in the global temperature.

The issue is further worsened if these trees are used for fuel and not replaced. Forests' primary function is not to remove CO2 (that is a minor player in that process) but to be a carbon sink, or storage unit for carbon.

Total carbon intake, in terms of percentages, of forests is not high, but does contribute to the overall intake of carbon. Our Oceans are the major player in carbon absorption.

Selective cutting can actually lower an overall carbon emission, by taking wood that would otherwise rot and then use it for buildings. These buildings become a carbon sink.

The issue is balance. If man cuts and burns trees for fuel we upset that balance. If we use the wood for construction AND replace those trees we have an overall positive effect. Rotting trees also add as much CO2 as burning them does. So dead trees that are left to rot are also a problem.

Destroying forests reduces the earth's ability to absorb airborne carbon (CO2). Trees as well as water, ice etc absorb CO2 that is in the air. The fewer forests there are, the fewer green leaves there are to absorb CO2. This would lead to more CO2 in the air from man-made and natural sources. More and more is released all the time and less is reabsorbed into "contained" sources such as trees and water.

If we stop deforestation by 50%, it will stop 500 billion tons of CO2 going to the atmosphere. And since carbon dioxide is a greenhouse gas, it traps heat inside the atmosphere thus affecting the climate.

For simplicity:

  1. When trees are burned or destroyed (for wood chips, paper etc) the CO2 they had stored escapes back into the atmosphere as greenhouse gas.
  2. This also means there are fewer green plants to capture carbon.
  3. Trees that are cut down and used for building or furniture retain carbon in the used timber but much of the tree is discarded and destroyed.
A:The destruction on forests impacts the global warming effect, as the trees and other vegetation in forests, absorb CO2 to use during photosynthesis. If the trees are being cut down, then less CO2 is being absorbed, essentially worsening the effect of global warming. A:Agreed above

But most people seem to forget the machinery it all produces CO2 as well as just cutting down the trees near enough everything involved in deforestation produces CO2 the humans do the machinery the trees everything.
Deforestation can influence Global warming because forests contain and store large amounts of CO2. When the forest is cleared large amounts of CO2 can be released into the atmosphere which traps heat resulting in global warming. And when the forest is cleared the trees are no longer available to remove carbon from the atmosphere.

Deforestation also results in less evapotranspiration resulting in less clouds and rainfall which also influence climate.

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โˆ™ 2018-03-14 12:42:53
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Q: How does deforestation contribute to global warming?
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