Wave and tidal power companies have been flummoxed by the challenges of building on the ocean.

FORBES: The Most Important Man in Energy Storage? Try Archimedes

Now companies pursuing wave and tidal energy, both of which require the installment of buoys and turbines in the ocean, are working to head off any concerns about the impact of such equipment on marine ecosystems.

FORBES: Wave Energy: The Latest Battleground in the Conservation vs. Innovation Debate