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Sea levels are rising due to global warming. The Moon brings tides that also rise the sea level. If we destroyed the moon could this problem be solved? Would it have other consequences?

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  • $\begingroup$ It would probably rise the oceans flooding problem, but not the oceans rising problem. Without the moon, according to your point about tides, sea level continues to rise, just that it will result in flooding problems later. Sea level rising can cause many other problems other than flooding, such as ecological imbalance. Also, as long as a place isn't flooded, some civilization will attempt to thrive in that area, but it will still eventually be flooded. $\endgroup$ – SOFe Sep 2 '16 at 9:45
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    $\begingroup$ If we can destroy the moon, we can most certainly deal with a bit of water. $\endgroup$ – MichaelK Sep 2 '16 at 9:51
  • $\begingroup$ @MichaelKarnerfors haha, great point Michael! $\endgroup$ – papakias Sep 2 '16 at 9:51
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    $\begingroup$ See Seveneves for a discussion on the result of destroying the moon. $\endgroup$ – JDługosz Sep 2 '16 at 12:04
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    $\begingroup$ @JDługosz, there has also been a previous question about destroying the moon here on Worldbuilding Stack Exchange. Some of the side effects of getting rid of the moon might be considered rather drastic. $\endgroup$ – Lostinfrance Sep 2 '16 at 15:55
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The moon is amazing in the sense that it not only helps accentuate the tides and provide something for home-astronomers to rabbit on about during a first date, but also that it acts as a giant celestial counter balance to Earth's orbital wonkiness.
Without it, our Earth's irregular axis of rotation will cause the planet to "wobble" (kilter back and forward along the lowest point of it's axis) causing ever worsening climate disturbances, such as super-cell storms, tsunamis, earthquakes, catastrophic destruction of eco-systems and the eventually destabilisation of our orbit.

In saying this, removal of the moon would have a visible effect on the oceans tides but would not prevent sea-level fluctuations all together - primarily due to the Sun as explained further in other answers. Hence, we should not be trying to obliterate our closest celestial body in consequence of our industrial practices, but curve greenhouse emissions caused by such practices and from anything else that constitutes as "bad" for the environment now-days.

Therefor, in absence of the moon, yes, tides would be altered somewhat, but in the long run, an increased sea-level will be the least of our concerns... So for the prolonged existence of modern life, let's all avoid destroying the moon at all costs (at least until we run out of fossil fuels - but thats a topic for another day).

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This question does not take into account the Sun effect on the tides, which is in fact greater than the one made by the moon. So this answer explains why removing tides does NOT curb the oceans rising problem

I don't think so, because, you are right, when the moon is "above" the ocean, the water is rising. But this additional quantity of water does not come from nowhere, so when the sea level is rising somewhere, it is going down somewhere else.

The thing with the ice melting is that you add water to the overall quantity by releasing the water contained in the ice on the land. So by destroying the moon (and the tide effect of the Sun, too) you would just make an average sea level which would be rising over time.

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    $\begingroup$ You'd reduce the effect of the tides but not eliminate them completely, to do that you'd have to destroy the sun as well. $\endgroup$ – Separatrix Sep 2 '16 at 9:48
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    $\begingroup$ @Separatrix physicsforums.com/threads/… $\endgroup$ – SOFe Sep 2 '16 at 9:49
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Tide rise sea level during high tide by lower it during low tide so destroying the moon will just smooth sea level variation.

It can be useful for zone flooded during hight tide: for theses zone it will be like the sea level decreased, but it will change nothing for zone under the medium sea level.

At last, the loss of moon will have heavy consequences on planets balance and could even take earth out of his orbit.

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    $\begingroup$ Did you just assume Earth's gender?? :O $\endgroup$ – Harry David Sep 3 '16 at 2:04

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