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.
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The snow didn't fall from the sky though - it was brought in on trucks from Milton Keynes.
Mostly dry with sunny spells. Overnight frosts.
More than a thousand people have taken to the streets of Bristol in protest at the inauguration of US President Donald Trump