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• Take a shower. They use nearly half the water of baths and cost less to heat... or share a bath with a friend.
• Leaving the office lights on overnight wastes enough energy to boil 1,000 cups of coffee.
• Turn your heating down by 1°C. It could cut your heating bills by 10 percent and save you £40 per year.
• It takes 5 trees 100 years to soak up the CO2 emissions from one car in a year.
• Take a train, get the bus, car share, walk, run, rollerblade... just leave your gas guzzler in the garage.
• Switch off in a traffic jam to save fuel and stop emissions.
• Slow down. Driving at 70mph rather than 85mph uses 25 per cent less fuel.
• Why sip from a disposable plastic cup when there's a perfectly good china one you could use?
• It would take 500 trees to absorb the CO2 emitted by a PC that's been left on every day for a year.
• Don't add to that mountain of plastic carrier bags - take a reusable bag to carry the weekly shop.
• Hang your washing out rather than use the tumble drier - it doesn't rain every day in the UK!
• Leaving the photocopier on overnight uses enough energy to produce over 1,500 copies.
• Wash your clothes at 30 degrees. They'll still be clean enough to pass the doorstep challenge.
• Switch to low energy light bulbs. They use a third of the power but are just as bright.
• Scared of the dark? Climate change is far more frightening, so turn off the lights when you leave the room.
• Kettles are greedy little energy guzzlers. Only boil as much water as you need.
• Switch to a green supplier that generates electricity through wind, water and solar power. It works just the same.
• Most mobile chargers eat electricity. Turn off your charger once you've powered up your phone.
• Don't leave the TV on standby. Get up and switch it off ... and burn calories at the same time
• Don't be a drip. Fix leaks and save water.