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 repurpose curbside parking spaces and convert them into public parks and social spaces to advocate for safer, greener, and more equitable streets for people. The area can be covered by an artificial

Directly using solar power to cook food? Yes, you can! Simply save a lot of energy for your cooker by using a (self-made?!) solar oven instead. It is a low-cost, ecologically-friendly technology that seems to have everything going for it, even more when built from recycled materials. Solar ovens gather solar energy - light and heat emitted from the sun - and designed to absorb more heat than

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 escape within a set time limit. Escape games are often designed to be immersive experiences, with elaborate sets and storylines that engage players and create a sense of urgency and excitement. An

Mobile trees on the street

Where streets are grey with concrete, and quickly heating up in summers, Mobile Tree Alleys can be a good solution to provide green and shade, to filter dust and and remove some of the CO2 emissions. Small to midsize trees in containers are positioned on or alongside the pavement - if they fit on rolling boards, you can kick-off the involvement of