In the heart of winter, green spaces, ghosts turned gray, represent a lost paradise. Throughout the year, in reality, the lack of greenery affects many city dwellers.
It would be so simple if we could put into practice the famous precept of Alphonse Allais: “Cities should be built in the countryside, the air is so much cleaner there. » The issue, however, is very serious. According to the World Health Organization (WHO), more than 55% of the world’s population lives in urban areas, and this rate is expected to reach 68% by 2050, when cities will be home to 7 billion people.
However, this city life is accompanied by a procession of nuisances, pointed out the WHO in 2021: inadequate housing, waste management problems, polluted air, noise, water and soil contamination, urban heat islands, lack of space for physical activity, risk of transmission of infectious diseases, etc.
The age-old bond that humans have established with nature has, in fact, been considerably weakened, when it has not been broken. In 2023, the WHO launched an information campaign “Nature is health”. Its logo: green and blue lungs, representing access to “green or blue spaces”that is to say in vegetated places (in urban or rural areas) or aquatic places (beach, river, lake, etc.). In fact, what benefits can we expect, for our health, from a renewal of this link: a walk in the forest, the view of a park, the inhalation of plant essences, listening to birdsong or the rustling of the wind in the leaves, a gardening session…?
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