Parking lots in cities take up far more of the available open space than do parks and places allocated for people. Park(ing) day is an annual campaign where people across the world temporarily

Plastic Free Challenge is a playful competition to become aware of the amount of single-use plastics in our everyday life and to find respective alternatives to avoid it. It can be organised as a

An escape game, also known as an escape room, is a type of puzzle-based game in which players are locked in a themed room or series of rooms and must solve a series of puzzles and challenges to