Contributor(s): Tessa Jowell, Lord McNally, Bob Neill | This public debate asks the country's leading parties what their policies are on making Britain's towns and cities more liveable and sustainable. What do their parties' manifestos offer on the built environment, urban development and quality of life? How will the inevitable conflicts between reduction in public expenditure and the need to invest in our urban infrastructure be resolved? What role can British cities play in leading the revolution in the green economy and setting new standards of environmental responsibility?