The first World Forum on Urban Forests held in Mantua, Italy, has launched a global call for action to promote and boost the adoption of nature-based solutions in urban areas worldwide.
A new tower will have greenery lining the balconies and roofs to clean up the air and provide a new environment for pollinators and humans alike.
Three years on and Paris' citizen gardeners have taken up the city's offer to help green up their city, with more than 3000 green permits granted across the densely population metropolis.
Beyond the environmental benefits of green roofs, the presence of plants in Rio's favelas is bringing a vital connection to nature than many residents have lost.
As more of these green towers or plantscrapers rise on the skylines of major cities, developers and urban authorities alike acknowledge they are not just for decorative purposes.
Designed to absorb 25 tonnes of carbon dioxide a year, the vertical forest being created in Nanjing, China, could change how cities fight climate change.
Conceived as an ‘urban tree farm’, each terrace in the 33-storey building will feature a different species, allowing the adjoining park to 'climb' up and into the building.
A boom in environmentally friendly construction is creating a jobs sector with massive potential.
Social housing in four locations in Amsterdam will be fitted with smart blue-green roofs to help protect the buildings from extreme weather conditions.