Greenhouse Gasses and Nuclear Power?

Question

How much would nuclear power cut greenhouse gass emissions by compared to using coal??

Answer 1

Nuclear power generation does not directly produce any CO2. It does produce water vapour, which is a greenhouse gas but non-persistent (it falls back to the surface).

The nuclear power plant is one phase of a cycle including mining, sifting, reducing, transport, usage, disposal. At all stages huge quantities of manufactured equipment (especially safety) is required- this needs frequent replacement with added disposal emissions.

Overall the saving is about 45%. However since the CO2 intensive mining, transport and disposal can be done elsewhere the nuclear plant hosting country has a recorded saving of 70-90%

Answer 2

Nuclear Power is 'totally clean" with respect to green house gas emission, but has its own emissions of Argon, Iodine etc. which are radioactive. Most of the time, the emissions are well within the norms stipulated by International Commission for Radiological Protection (ICRP), but in the event of a major accident (like the Three Mile Island or Chernobyll and a few more), much more radiation can escape into the atmosphere.

Answer 3

Nuclear power is "clean" meaning it doesnt give off greenhouse gasses. But, the byproducts are nuclear waste and water vapor (used to cool the reactor).

Answer 4

Substantially. Something on the order of half of the CO2 added to the air by human activity comes from thermal power plants, and coal produces twice as much CO2 as does oil or gas.

Answer 5

Don't worry about steam being a greenhouse gas. It's not.

Water vapor is, of course a greenhouse gas, contributing up to 65% of the greenhouse effect. Water vapor is the invisible gaseous state of water; steam is a mist composed of tiny droplets of liquid water.

Answer 6

Have you ever seen a nuclear power plant? You notice all of that steam coming out of the stacks?

That would be water vapor... a "green house gas" several times more effective at trapping heat then anything else in the atmosphere.

Answer 7

nuclear does not emit CO as a by product, nuclear is clean burning, so if you replaced all coal burning power plants with nuclear power plants, then you'd eliminate all the CO emissions that were being emitted by coal burning power plants..

Answer 8

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Answer 9

dont know those numbers ,,,you mean the whole planet?? in the us nuclear supplies 20 percent of the nations power