A short TV news item showing the effects of flash flooding in London caused by intense rainstorms, likely to be a consequence of climate change.
This poses a severe challenge to emergency services (and people). SUDS (sustainable urban drainage systems) are mentioned as one mitigation in use - there are now many such schemes in Enfield thanks to collaboration between the council and Thames 21. But individual households can help by retaining permeable surfaces in their gardens. Off-road parking can also be created using permeable surfaces. And, more fundamentally, we need to reduce carbon emissions, which for households means better home insulation, less use of gas heating and less driving.