I make my own fries and prepare my own homemade mayonnaise.
I freeze my food before the expiry date instead of throwing it away.
I turn off the heating when I ventilate the rooms/rooms.
Be careful to open the windows wide for 5 minutes instead of tilt and turn window all day long!
I buy clothes second-hand or in ethical and responsible fashion stores (slow fashion).
I insulate the hot water pipes with foam tubes.
I ride my bike once a week to work.
I set my fridge at 4° and my freezer at -18° to keep my food in optimal condition.
I buy fruits and vegetables in bulk and without packaging.
I install thermostatic valves on my radiators and set them to max. 3.
I borrow my books from the library or my toys from the toy library instead of buying them.
I opt for a car-sharing system.
I prefer a shower (max 5 minutes) to a bath. If I like baths, I limit myself to 1 bath a month.
I run my errands on foot.
I take the train to the airport instead of being dropped off by car
I opt for local tourism on a small scale, with locals or camping.