Green cities. The last rampart in the disappearance of birds from towns

La ville verte pour contrer la disparition des oiseaux

Alarm bells are ringing all over Europe! The urban bird population is in freefall! The number of house sparrows, one of the most common species in urban areas, has fallen by 73% in Paris in 13 years, 60% in 20 years in Prague, and 60% in 25 years in Finland (1). All over Germany, bird species fell by 15% (3). Public authorities and landscape contractors are in the front line for providing a range of solutions. Continue reading…

Green cities: issues with rainwater harvesting in urban environments

Green cities: issues with rainwater harvesting in urban environments

Many urban spaces are constructed from non-porous materials, such as concrete or tarmac, making rainwater harvesting a major challenge for urban authorities. Today, most of the rainwater collected in cities ends up in treatment centers, where levels of pollution can become significant, presenting serious risks to communities. For these and other reasons, it’s crucial that we find an eco-friendly alternative. Continue reading…