UK lessons from Japan nuclear plant scare
17 March 2011 Last updated at 14:41 GMT
Labour MP Jamie Reed, whose constituency includes the Sellafield site, believes nuclear power is still needed despite the scare at the Japanese plant in Fukushima.
But the Green Party London assembly member Darren Johnson, thinks Britain must take a lead and look at other power options.
Environmentalist George Monbiot claims the coal industry creates more pollution than nuclear sites.