Walking to the shops damages planet more than going by car
Walking does more than driving to cause global warming, a leading environmentalist has calculated. Food production is now so energy-intensive that more carbon is emitted providing a person with enough calories to walk to the shops than a car would emit over the same distance. The climate could benefit if people avoided exercise, ate less and became couch potatoes. Provided, of course, they remembered to switch off the TV rather than leaving it on standby.
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