The UniWave sea platform is an artificial blowhole that harvests energy from ocean waves. Independent analysts now predict it'll create some of the cheapest renewable energy on the market – and some of the most reliable and predictable, as well.
But, on a much more serious note, I live in New York City, have been all over Manhattan, Brooklyn, even parts of Queens. From the ground level, it is VAST. It's not the type of city you imagine, like a hometown or something. Each borough (and there are 5) is the size of a small country. And then...this. See for yourself.
But if Dart could do it once, this could be done again. I have faith!