- A new IEEP report arugues for renewed efforts to promote walking as transport. This would be vastly cheaper than dealing with the consequences of the obesity epidemic and climate change. 40% of all journeys in the UK are under 2 miles in length – distances easily covered by up to 30 minutes of brisk walking. Nonetheless, 38% of these journeys are currently by car. August 13. topic 2010 - Dec - Nov - Oct - Sep - Aug - Jul - Jun - May - Apr - Mar - Feb - Jan 2009 - Dec - Nov - Oct - Sep - Aug - Jul - Jun - May - Apr - Mar - Feb - Jan