This week's cartoon describes the Ocean Harvester, a device designed to help capture clean energy from ocean waves. You can read more about the Ocean Harvester in Tyler Seed's article, Harvesting the Ocean: A New Approach to Wave Energy Conversion. Read our most recent posts about other wave-power initiatives in Andy Lubershane's earlier comic on wave power, or Serena Batten's post, Green Tech Watch: Principle Power.

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Editor's note: This post is part of a series featuring Worldchanging ally Andy Lubershane's original graphics. While many of the issues covered in the comics have been discussed on Worldchanging in the past, we hope that you'll be able to use this new medium in a different way … whether it's in your classroom, on your office wall, or to help explain ideas to friends and family.

This comic was updated on March 23, 2009 at the artist's request.

Andy Lubershane researches, writes and cartoons about sustainability from his home in Boston. Check out more of his illustrations here