Does burning hydrogen produce greenhouse gases?

Question

Does burning hydrogen produce greenhouse gases?

Answer 1

The short answer is Yes. Water vapor is definitely a greenhouse gas. That along with air is dense enough to hold the heat from the sun that keeps the earth at a moderate temperature.

The easiest way to prove it is that on a winter night, cloud cover is like a blanket keeping the radiant energy from escaping. On a clear night, the radiant energy escapes into space and it gets colder.

Answer 2

nope - just water!

Answer 3

Yes.  It produces H2O which is the most significant greenhouse gas of all.

Answer 4

yes. although at levels comparitively lower than what gasoline produces.

Answer 5

Burning hdrogen is the combination of hydrogen with oxygen to produce H20.

But the production of hydrogen may produce green house gasses. Splitting water to form oxygen and hydrogen theoretically uses the same amount of energy at is given off during combustion of hydrogen. So it depends on how that energy is made.

In parctice, due to incomplete capture of energy during combustion of hydrogen and energy losses during production of hydrogen, considerably more energy is required in production compared to generation.

Answer 6

No it doesn't. The only thing produced is water.  The problems comes with the energy required to produce the hydrogen.  Electrcity is needed to eletrolyse water to give the hydrogen.  If this is from a non renewable source then we are back to square one.

Answer 7

i dont know

Answer 8

Burning it, no. Producing usable hydrogen might.

Electrolysis requires electricity. Where do you get the electricity. Other ways require fossil fuels to get the hydroge. Also cooling it and compressing it into a liquid requires energy.

Answer 9

Not when you burn it.  Getting it usualy does produce some greenhouse gases.  Right now almost all hydrogen is taken from fosil fuel sources.  And electrolosis requires electricity.

Answer 10

"Burning" hydrogen does produce some greenhouse gases, primarily, if I recall correctly, nitrides and nitrous oxides. However, using the hydrogen in a fuel cell does not produce any greenhouse gases, and is a far more energy-efficient process. Because of these two points, and in spite of the issues that fuel cells face in the march towards mass production, most development of hydrogen-powered vehicles is focused on fuel cells.

And to those who would call water vapor a greenhouse gas, if the hydrogen is produced from electrolysis, that is, the splitting of water molecules, no net gain in water vapor occurs. And if the electrolysis is sourced from nuclear, solar, or wind energy, then the entire process if essentialy greenhouse gas-free.

Answer 11

nooooooooooo its umm nooooooo

Answer 12

Just plain old H2O

Answer 13

sort of... hydrogen (H2) burnt in air, combines with the oxygen (O2) in air (a mixture of oxygen, nitrogen and traces of other gases, including carbon dioxide, CO2)  to make water vapour, H2O.  Water vapour is a greenhouse gas, but let's not get hung-up on that!

It's how the hydrogen is made that's the issue.  Most industrial hydrogen comes from two sources.  Firstly, from natural gas (CH4) which is a fossil fuel, and the making of H2 from this results in CO2 emissions. Secondly, from the hydrolysis of water... electricity passed through water breaks it up into hydrogen and oxygen... and this electricity is mainly made from burning fossil fuels, generating more CO2.

'Green' hydrogen could be made by using renewable electricity from wind, wave, tidal or solar power, and there are experiments being conducted to see if algae can be modified to produce hydrogen on an industrial scale.

So the short answer, is 'at the moment, using hydrogen does contribute to greenhouse gas emissions'.

Answer 14

NO.

When you burn hydrogen you get H2O (water).

Any body up for a drink?

Answer 15

No, and yes.

Water vapour is clearly our most important greenhouse gas.

But the amount of water vapour in the air  is controlled by atmospheric temperature.

The energy used to create the hydrogen is an entirely separate question. If you are using natural gas or electricity to make the hydrogen, then making that hydrogen, not burning it, is what puts the greenhouse gas into the air.

Answer 16

Burning hydrogen wil produce H2O which is water and is not harmful to the environment.  But burning almost anything is bad of course but some things are so much better to burn than others.   For an example,  burning wood is better than burning plastic or gasoline which are both extremely high in hazardous toxic fumes especially after being burned.

Answer 17

It will produce NO2 if u use air to burn it with. Some have tried to say that water vapor is a green house.