1. Switch off Televisions, computers and sound systems still use up to 80 per cent of their power when on standby
2. Unplug the phone charger If everyone in the UK only plugged in when they needed to charde, we'd ave over 50,000 tonnes of carbon dioxide emissions.
3. Be sparing with your water If you fill your kettle up with just what's needed, you'll save water and power
4. Look for 'A-rated' appliances These are the most efficient tried-and-tested appliances
5. Turn off the tap Simply remembering to do this when brushing your teeth could save over 500 litres of water a month
6. Take showers instead of baths The average shower takes around five minutes and uses 35 litres of water compared to 100 litres for the average bath.
7. Switch to low-energy light bulbs They last ten times longer and use 80 per cent less energy than conventional light bulbs
8. Install double glazing It can just about halve heat loss, keeping your energy bills down
9. Switch to a green energy supplier They sell power from renewable sources only
10. Turn off the lights Lighting accounts for 50 per cent of your home's energy use. Think about investing in some occupancy sensors, which turn off lights when you leave the room
11. Get cavity wall insulation checked If everyone had it, carbon dioxide emissions in the UK would be decreased by nine million tonnes each year
12. Green your roof Not only will it encourage biodiversity, it improves local air quality and creates natural insulation