A former Minister has urged the Government to get behind the Severn Barrage project.
It would cost a staggering twenty five billion pounds - of private sector money - and according to former Welsh Secretary Peter Hain, would generate five per cent of the country's entire electricity from tidal power.
However it's strongly opposed by conservation groups - who say it would damage internationally-protected mudflats - and by the port of Bristol. Today MPs heard both sides of the argument, as our political correspondent Bob Constantine reports.
More top news
Malaria has killed 10 penguins at Exmoor Zoo. The Zoo says the colony died following a "quick and devastating outbreak".
People living near the Stoke Lane roadworks are claiming the disruption is 'pants' and have hung underwear along the route to demonstrate.
Your latest forecast with Bob.