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Re:How Cheap Can Solar Get? by joshuapants on Wednesday August 12, 2015 @07:23AM (#10047136)
> 2. "Rare earths" are not so rare. Their prices have tumbled substantially as new mines have opened up and substitutes have been found.

Yes, but mining them is an environmental disaster.

Re:How Cheap Can Solar Get? by mikeash on Wednesday August 12, 2015 @11:21AM (#10048188)
Can you quantify that? I'm seeing comments in this thread saying, over and over again, that manufacturing these things is an environmental disaster. But without numbers, the statement is meaningless. We are currently poisoning pretty much the entire planet for our energy needs. If we cut that down to, say, poisoning an area the size of Texas for our energy needs, that would be a massive win.
Re:How Cheap Can Solar Get? by DennisP on Thursday August 13, 2015 @09:41AM (#10054049)
Solar is definitely far better than fossil. It's just not entirely clear that it's better than nuclear, especially with the advanced reactors that get a hundred times as much energy from the same fuel, and produce only a small amount of short-lived waste.
Re:How Cheap Can Solar Get? by Daishiman on Wednesday August 12, 2015 @11:36AM (#10048280)
Humanity is an environmental disaster. The issue at stake is avoiding the worse evils right now so that we can continue to lead a somewhat prosperous existence which, with some hope, will eventually become sustainable.
Re:How Cheap Can Solar Get? by danmaz74 on Wednesday August 12, 2015 @11:05AM (#10048075)
Which is nothing compared to the environmental disasters that a 3 or 4 celsius degrees increase in the World temperature will bring us.