London hit by floods again. High rainfall maybe down to climate change, but we have clothed our cities in impermeable concrete and tarmac. Front gardens have been paved for extra parking. It is time to have a change of plan. All car parks should have lattice paving allowing infiltration. Roof gardens encouraged, lakes and ponds developed, wildlife areas planted. Put more trees in. Subsidised water butts. These measures might not stop future floods but they would certainly help.