Posted by Dave (in Ireland)

© Greenpeace / Ralf Kiefner

Instead of simply hunting endangered whales like humpbacks, here's a novel way of using whales as a resource - a Canadian Company has come up with a kind of wind-turbine blade that mimics the movement of a humpback flipper.

A Canadian Company as designed a new type of wind-turbine blade that mimics the aerodynamic performance of a humpback whale's flipper, allowing a turbine to capture more of the wind's energy at much lower speeds.