Calculator
Your Carbon Footprint
Home, travel, food and shopping, in tonnes a year.
Where to start
Five Changes That Count
Switch to a green electricity tariffUp to 1.6 t a year
Replace a gas boiler with a heat pumpUp to 1.3 t a year
Take the train for one return flightAbout 0.3 t a trip
Eat meat on some days, not mostAbout 0.5 t a year
Buy second-hand firstUp to 0.6 t a year