Now rising fuel costs have revived interest in this neglected technology. In September, the Department of Energy awarded its first grant for ocean thermal energy in more than a decade, giving Lockheed Martin $600,000 to develop a new generation of cold water pipes.

promising perhaps from an energy perspective.
but what about the vast number of species whose lives would be affected by such underwater endeavours?

Aren't we messing with nature (and particularly with the world's oceans) enough as is?