2 TU Delft students already saved over 587 kg carbon just by eating less meat on a daily basis. Can 20% save 20%?

image by TU Delft

2 / 23,000+ students do


Number : 2
girls : 1
guys : 1
flexitarians : 1
vegetarians : 1
average age : 23


days no meat : 12
days yes meat : 2
meat saved weekly : 1 kg.
meat consumed weekly : 0 kg.
meat saved yearly : 70 kg.
meat consumed yearly: 12 kg.


carbon saved weekly : 18 kg.
carbon added weekly : kg.
carbon saved yearly : 587 kg.
carbon saved yearly : 507 kg.

20/20 Challenge

Uniting all TU Delft students eating less or no meat & saving carbon emissions, land and water usage for growing crops. Imagine 20% of the world reducing it's footprint with 20%. That's our goal, that's real impact. But it starts with you, join if you eat less or no meat!

Data input

Students : 25.000
50% Eats less meat : 12.500
7% Eats no meat : 1.750
Meat : 105.300.000 kg
Carbon :1.400.490.000kg
Land: 937.170.000 m2
Water : 13.689.000.000 l

Data source here.

20% Goals

Students : 5.000
Meat : 21.060.000 kg
Carbon :280.098.000 kg
Land: 187.434.000 m2
Water : 2.737.800.000 l

logic thinking

Each kg meat produces 13kg of carbon. Dutch average person eats about 81kg per year. All Dutch people eat 1.400 million kg meat per year!

1.860.000.000.000 kg carbon/methaan produced while growing & processing a cow

To feed those millions of cattle, we chop down the Amazone, burn down savannah's, to grow all that crop. Tell me you never ate a burgers at a fastfood chain.

We chop down the solution to feed the cause. Ironic.

To produce 1kg of meat, we need 25kg of plantbased food, which requires up about 10m2 land and 160 liters of water to grow. Can anyone calculate how much acres of crop is needed to grow 1 average weighing cow of 850kg?

It's more cost efficient to eat those crops ourselves.

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TU Delft less meat eaters



Kirsten van Lienden
-345.5 kg carbon


-241.9 kg carbon