Personal Impact Dashboard
Dashboard
Your running total.
Your impact so far
1 day · week 1That's roughly
- 64 showers of water
- 54 km not driven in a petrol car
- 0 tennis courts of land
- 0.4 trees' yearly CO₂ uptake
Weekly progress
Each bar is a week since you started. The last twelve are shown.
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Estimates are upper bounds from Poore & Nemecek (Science, 2018), Mekonnen & Hoekstra (water footprints) and Counting Animals. Everything stays in your browser — nothing is uploaded.
Method
Where the numbers come from.
The emissions and land figures come from Poore & Nemecek's 2018 meta-analysis in Science, still the largest study of food's environmental footprint: 38,700 farms across 119 countries. It found that moving to a diet without meat and dairy cuts an individual's food emissions by up to 73% and their farmland use by roughly 76%.
Water savings draw on Mekonnen & Hoekstra's water-footprint work, which accounts for the irrigation and feed-crop water embedded in animal products — the reason a kilo of beef carries thousands of litres while a kilo of lentils carries a fraction of that.
Animal counts follow Counting Animals' widely cited method, which includes farmed fish and shellfish. Because aquatic animals are killed in vast numbers relative to their size, they make up most of the total, and any estimate that excludes them dramatically understates the toll.
Every figure here is an upper-bound average for one person in a high-consumption country. Treat it as a scale, not a receipt: the useful insight is that a single year of ordinary meals moves numbers that most people assume only policy can move.
FAQ
Questions, answered.
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