Are artificial tidal lagoons the answer?
The company behind the world's first tidal lagoon power station has warned the UK government it must decide if it is going to back the project in the next few weeks.
Hywell Griffith reports.
The company behind the world's first tidal lagoon power station has warned the UK government it must decide if it is going to back the project in the next few weeks.
Hywell Griffith reports.