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8 answers

Hmm... let's see.

- car exhaust
- factory smoke n' such
- burning stuff, like in garbage incinerators

I might also add that removing trees, like in the rain forest, is not helping increase greenhouse gases... but trees take care of a lot of CO2 in the atmosphere and since they're cutting them down, there's less of a sink for CO2 to be put.

2007-02-28 12:21:44 · answer #1 · answered by Anonymous · 0 0

There is more than one greenhouse gas.

CO2, or carbon dioxide is the most common greenhouse gas. Archaeological records indicate that as humans discovered fire, the atmospheric components of carbon dioxide began to increase slightly, until the industrial revolution, when it began to skyrocket. Chemical testing proves that burning materials produces carbon dioxide, and the estimated increase in carbon dioxide matches up well with the estimated usage of fire throughout these periods in history.

CO, or carbon monoxide is another greenhouse gas. It is much rarer, and is caused by incomplete combustion of fuels.

Both of these greenhouse gasses are produced by burning things: wood, peat, coal, tar, oil, natural gas, biofuel, etc. Humans burn things for heat, light, and power. Nature causes things to burn as well, mainly trees, from lightning strikes, but sometimes coal veins, and peat bogs get pockets of fire, which, as they are partially underground, are hard to put out.

CH4, or Methane is another common greenhouse gas. Methane is actually a more powerful greenhouse gas, but since it is not produced in large quantities, and since it breaks down naturally in the atmosphere, and, if captured, can be burnt as a fuel, it is usually considered less of a threat. Methane is produced through certain processes of decomposition. Cows, and most other mamals give off fermentation as part of their flatulence. Methane can also be located in certain natural gas veins. Humans produce methane just like cows, and our sewage continues to produce methane, which is now often being harvested for electric power generation. Hydroelectric dams are actually a major producer of methane, because as the water level fluctuates, their shoreline becomes flooded, and the vegetation that is covered rots to produce methane. Some people argue that methane is mostly a natural product. Indeed, this is likely to become true in the very near future. Methane freezes, and in many deep ocean areas, especially near the poles, there are enormous fields of frozen methane on the ocean bottom. In warmer weather, some of this methane melts off releasing the methane as a greenhouse gas.

2007-02-28 13:47:50 · answer #2 · answered by ye_river_xiv 6 · 1 0

1. Coal fired power plants

2. Pollution from cars and factories

3. Cow farts (really ! they release methane which is a greenhouse gas)

2007-02-28 12:19:07 · answer #3 · answered by Zefram 2 · 1 0

the biggest rationalization for international warming is nature dealing with a popular cycle. by the variety, oil would not cool your engine, it reduces friction interior the shifting areas. Antifreeze/coolant interior the radiator is what cools the engine.

2016-10-16 23:41:54 · answer #4 · answered by fanelle 4 · 0 0

CFCs, released by aerosol cans
trapped carbons, like in the burning fuels
ozone layer holes

2007-02-28 12:17:57 · answer #5 · answered by o_0 2 · 0 0

Gas from cows.
Gas from land fills.
Gas from Al Gore.

2007-02-28 12:18:48 · answer #6 · answered by Bomba 7 · 1 0

the only noticeable things that make a difference in the hole in the ozone hole ARE: volcanoes' forest fires greater than 1000 acres and severe dust storms

2007-02-28 12:21:08 · answer #7 · answered by DR. V 2 · 0 0

cars, cows and aircraft

2007-02-28 12:19:10 · answer #8 · answered by bullwinkle 5 · 1 0

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