Is Ocean Energy More Trouble Than Its Worth?

The video discusses the potential and challenges of marine power, focusing on wave and tidal energy. Wave energy faces significant hurdles due to harsh environmental conditions and economic setbacks, while tidal stream energy shows more promise. The video compares these with other renewable sources like wind and solar, highlighting the difficulties in making wave energy viable. The future of tidal stream energy looks promising, but wave energy may take longer to develop.

What factors contribute to the harsh environment for marine energy devices?

What is the outlook for tidal stream energy in the next 10 years as mentioned in the text?