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FOOD
Cut Food Waste

Good to the very last bite.

Buy only the food you know you’ll eat. Take this step and decide a level of commitment that works for you. Try it for a month to see how you do.

Cut Food Waste - Calculator

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Cut Food Waste

There is one vital change that will bring us back into the safe zone within all our planet’s boundaries: imagine a world without food waste, which emits powerful carbon pollution from landfills. If food waste were a country, it would be the third highest emitter of greenhouse gases in the world, after the US and China. Roughly a third of the world’s food is never eaten. Imagine coming home with three bags of groceries and throwing one of them away. Cut down on food waste in your own home by making sure you only buy what you need, eat the food you have and compost anything left. You’ll minimize your carbon footprint across the food production line and save money too.
  • Individual Impact
  • Combined Impact
  • Effort

Steps List

Steps
Switch To Clean Energy
Cut Food Waste
Eat More Veggies
Talk To Friends
Keep Politicians Accountable
Plant More Trees
Insulate Your Home
Save With Led Lights
Drive Electric Or Hybrid
Get Around Greener
Fly Less
Spark Ideas At Work
Make Your Money Count

REFERENCES

  • Roughly one-third of the edible parts of food produced for human consumption, gets lost or wasted globally, which is about 1.3 billion ton per year
    FAO, Global Food Losses and Food Waste. Extent, Causes and Prevention

    If everyone on the planet adopted healthy consumption practices and a plant-rich (not necessarily vegetarian) diet, 166 million metric tons of food waste could be avoided over the next 30 years.
    Massively Reducing Food Waste Could Feed the World, Scientific American

    15 quick tips for reducing food waste and becoming a Food hero
    Food and Agriculture Organisation of the United Nations

    If food wastage were a country, it would be the third largest emitting country in the world.
    FAO Food wastage footprint & Climate change

  • Impact metric calculations

    To determine the carbon emission reduction estimates related to upstream food reduction (through buying less, loving leftovers, etc.) and composting, the following calculations were performed:

    Upstream food reduction efforts:
    (# of people in household) x (kg food waste/person) x (percentage of food waste reduced) x (1.7 kg CO2e/kg food) = kg CO2e / household / month

    Composting:
    (# of people in household) x (kg food waste/person) x (average percentage of food waste likely diverted to landfill x (percentage of food waste not reduced) x [(0.56 kg CO2e/kg landfilled food waste) - (0.16 kg CO2e/kg composted food waste) = kg CO2e / household / month

    For detailed calculations, references and assumptions, please see our Methodology page