Clive Thompson writes in WIRED:
The mood around tech is dark these days. Social networks are a cesspool of harassment and lies. On-demand firms are producing a bleak economy of gig labor. AI learns to be racist. Is there anyplace where the tech news is radiant with old-fashioned optimism? Where good cheer abounds?
Why, yes, there is: clean energy. It is, in effect, the new Silicon Valley—filled with giddy, breathtaking ingenuity and flat-out good news.
Clever engineering breakthroughs, like the use of diamond wire to slice silicon wafers into ever-skinnier slabs, producing higher yields with less raw material.
Manufacturing costs are down. According to US government projections, the fastest-growing occupation of the next 10 years will be solar voltaic installer. And you know who switched to solar power last year, because it was so cheap? The Kentucky Coal Museum.