The underwater 'kites' generating electricity as they move | BBC News

Underwater Constructions | How do Engineers Make Them?

How Waves Could Power A Clean Energy Future

The unique undersea tunnels that link the Faroe Islands | BBC Global

The solar-powered aircraft flying high in the atmosphere | BBC News

Tidal energy could be huge – why isn't it?

This is How Humans Have Changed the World | Generation Earth | BBC Earth Science

How to combat extreme heat in urban areas | Future Earth | BBC News

How Wave Power Could Be The Future Of Energy

The Colossal Gas Pipe Laid At The Bottom Of The Ocean | Megastructures | Spark

How climate change is putting lives at risk in the 'Third Pole' | BBC News

The Problem with Wind Energy

Exploring The Underwater World | 4K UHD | Blue Planet II | BBC Earth

Land and Sea: Tidal Power

What do tech pioneers think about the AI revolution? - BBC World Service

Global renewables: Pioneering the energy transition | DW Documentary

Can Underwater Turbines Solve Our Energy Problems?

Inside The Navy's Indoor Ocean

Remote village where people walk on all fours | 60 Minutes Australia

How can smart tech tackle climate change? CrowdScience - BBC World Service

Ritom Pumped-Storage Plant Project – Tunneling under extreme conditions