The recent rain might be due to climate change. It might not.
But I wonder if Cameron might just take on board the fact that it could be and that if we keep polluting the environment with greenhouse gases, we might have a problem with flooding and unusual weather in the future.
So fracking etc might be an issue. Despite the economic potential. Alternative energy sources could be useful. Reducing our use of fossil fuels could become important.
Now that's it affected the Home Counties, he might take it seriously.