Explain renewable energy to me again

atoms3_renew

OK, I thought I knew what alternative energy was and I thought I knew what renewable energy was, but now I am a bit confused.  Now I see renewable energy mentioned everywhere and the term alternative energy gone by the wayside, extinct like the dodo.  Even our government is teaching our kids what the term renewable should really mean to us.  See their website here:

http://www.eia.doe.gov/kids/energyfacts/sources/renewable/renewable.html

(and I’m sorry but this thing looks like some sort of menacing atomic weapon to me–and what is that weird cricket alien looking thing in the middle all about?)

Not really sure if a meteor struck the earth or if all the dictionaries on the planet have been rewritten, but now I’m seeing solar and wind power talked about in the same sentence as a renewable energy almost everywhere.  This is where I’m a bit confused.  To me, renewable means something that you can renew.  As far as I know the sun rises every day and the wind blows every day somewhere.  I think of renewable as something that is grown or made, used and then you grow and/or make some more (thus the renewing part of renewable) as you need it.  Maybe the rain has to renew the water behind a dam or something like that but that’s not even a good usage of the phrase.

I know I’m not the smartest guy in the world so I suppose there could be somebody out in space growing the sun and there could be somebody on earth blowing the wind around  (I do know a lot wind bags out there so it is possible).

Anyway, I consider geothermal, solar, wind, and a lot of other kinds of power to be alternative forms of energy as opposed to traditional or conventional energy sources.  So if you could help me out here I would appreciate it.  I really don’t mind and bracing new words or phrases but I like to do so when they make sense.  Does this make sense to you?

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