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Carbon dioxide (CO2) and methane gas (CH4).
Carbon Dioxide and Methane :)

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Q: What are the two main greenhouse gases causing global warming?
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What gases cause global warming and how?

Greenhouse gases (carbon dioxide and methane, mostly) cause global warming by increasing their levels in the atmosphere. This turns the benign greenhouse effect into an accelerated greenhouse effect which is causing global warming.


What greenhouse gases do in the atmosphere?

Greenhouse gases keep the earth warm.Too much greenhouse gas is causing global warming.


Why should greenhouse gases be reduced?

Because they are causing global warming and climate change.


Why are increased greenhouse gases not good for the earth?

Because it is all but certain that this increase will be extremely detrimental to the Earth's Future. Additional greenhouse gases are causing an enhanced (or accelerated) greenhouse effect which is causing global warming.


Which change in the atmosphere appears to contribute to global warming?

The increase of greenhouse gases in the atmosphere, particularly carbon dioxide, is causing global warming.


Does the sun prevent global warming?

No, the sun does not prevent global warming. It provides the heat originally, and we add the extra greenhouse gases to capture more of it, causing global warming.


What is the effect of higher levels of greenhouse gases?

More greenhouse gases trap more heat in the atmosphere, causing a global warming and climate change.


How is global warming working?

The greenhouse effect is the trapping of heat by certain gases that have been identified as helping retain heat on our planet. The runaway greenhouse effect is causing global warming.


Do the gases in the atmosphere increase or decrease global warming?

The greenhouse gases are increasing global warming.


How might greenhouse gases cause climatic changes?

The build up of greenhouse gases is trapping more heat, causing global warming and climate change.


What is one major disadvantage of fossils fuel?

It produces greenhouse gases and that's causing global warming


What are the hazardous greenhouse gases?

Carbon dioxide and methane are the ones causing most of the accelerated greenhouse effect that is causing global warming and leading to climate change.