Water
Turn off the tap while brushing
Closing the tap while brushing avoids the water that would otherwise flow.
1785 — 2026
A question from 1785. A possibility for today.— Immanuel Kant, Groundwork of the Metaphysics of Morals, 1785Act only according to that maxim through which you can at the same time will that it become a universal law.
From our habits to the decisions of those who represent us: 154 everyday actions and 109 stories to imagine a better future.
Read the German original +
Handle nur nach derjenigen Maxime, durch die du zugleich wollen kannst, daß sie ein allgemeines Gesetz werde.
— Immanuel Kant, Grundlegung zur Metaphysik der Sitten (1785)Personal choices
Explore the actions Small everyday actions
At home, on the move, at the table: discover what a small change in your everyday life can make possible.
Collective choices
Explore collective choices The simple act of voting
Railways, neighbourhoods, forests and water: discover how public choices shape the places we share.
EVERYDAY CHOICES · SHARED POSSIBILITIES
Start with something familiar.
A journey, a meal, a light left on. Find a change that makes sense in your life, then explore what it could mean when others join in.
Explore all 154 actionsA shared possibility.
Each commitment starts with a choice. Explore what fits your life and join when you are ready.
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A commitment is an intention, not a measured saving. Reports of practice are self-reported and do not add verified savings.
Explore the actions →01 / The collection
All 154 actions A few places to begin
Food
Plan a meal around what you have
Planning around food already available can prevent edible food from becoming waste.
Things we use
Bring the bags you already have
Reusing bags already owned can displace new carrier bags.
At home
Switch off an unused light
Switching off an unused lamp avoids electricity equal to its power multiplied by the avoided operating time.
What if the rule behind your choice became everyone’s rule?
Universalizable explores the collective effects of everyday choices through data and scenarios. Choose an action and see what could change: for you, your friends, and everyone who can take part.
The question behind the name