In many city studies, two factors turned out to be decisive: residential proximity and walking distance of parks. For cities, it is therefore more important to create smaller local green spaces than large parks such as Central Park. Because only if city dwellers regularly benefit from urban green spaces will this also be beneficial to their health. Fortunately, the spirit of invention is currently flourishing to meet these challenges; from urban gardening concepts that transform city roofs and derelict land into living gardens and communities, to moving moss walls that clean the air of the city. Another pioneering concept is that of the Singapore Botanical Garden. In the Garden by the Bay, technology and nature form a unique symbiosis: steel trees, covered with real plants, regulate the climate of greenhouses and are an exceptional place for excursions and recreation for city dwellers. Tomorrow’s cities can be transformed into vibrant urban jungles where plants grow on every street corner and invite you to relax. This not only benefits our health, but also creates a harmonious and natural environment that makes us more content in the long term.