Thorium reactors [0], Lightsail tech [1], and vertical helix-shaped wind turbines, throw in some Stirling Engine action [2].<p>Why aren&#x27;t we past all this yet?  Oh, right, politics.<p><pre><code>  [0] https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Liquid_fluoride_thorium_reactor
  [1] http:&#x2F;&#x2F;www.lightsail.com&#x2F;
  [2] http:&#x2F;&#x2F;science.howstuffworks.com&#x2F;environmental&#x2F;green-tech&#x2F;remediation&#x2F;slingshot-water-purifier2.htm</code></pre>