Americans consume 25 percent of the world’s energy, even though the U.S. holds only 5 percent of the world’s population.

And demand for energy is growing. Conventional fossil resources (oil, coal and natural gas) face supply constraints and volatile markets, and concerns about economics and climate change have become widespread.

An abundant and promising source of energy exists in waves, tides and offshore currents and swells. The time to harness it is now.