Posts in the 'Nature-Based Solutions' category
Walking through Nyandungu Eco-Park in Kigali, Rwanda, it’s difficult to imagine that just a few years ago, industrial machinery and bedraggled grasses stood where lush trees and flowers now grow. Like in many wetlands across the city, the incursion of polluting industry ...
As cities try to restore the benefits of natural systems by mimicking how ecosystems function, one option they can use is nature-based solutions (NBS). However, cities often struggle to determine which types of interventions best suit their local context, due ...
With about 464 millimeters of rainfall per year — less than half the global average — South Africa is one of the driest countries in the world. Its semi-arid climate, uneven rainfall distribution and persistent droughts leave the country facing chronic water ...
In Gauteng Province, the Jukskei River winds its way through the heart of Johannesburg’s inner-city neighborhoods, informal settlements and suburban areas, eventually joining the Crocodile and Limpopo rivers before emptying into the Indian Ocean. One of the biggest waterways in ...
South Africa’s cities face growing threats to their water resources, especially rivers, as rapid development and climate change undermine the health of water systems and the ecosystem services they provide. Urban areas are particularly vulnerable to serious flood risks during ...
Despite accounting for less than 3% of global terrestrial area, cities have had an outsized impact on our approach to planetary boundaries, affecting biodiversity and consumption of materials and energy. Studies show that cities have become responsible for 78% of carbon emissions, ...
Africa’s cities, from large metropolises to smaller towns, are increasingly characterized by growing urban sprawl. Kinshasa, Democratic Republic of Congo, is expanding by about 2,000 people and 5 hectares (10 football fields) every day, according to a World Bank estimate. Kumasi, an intermediary ...
For the 21 million residents of Lagos, Nigeria, climate change is not a distant concept — it is a current reality. Over the past decade, the city has experienced devastating floods, exacerbated by the loss of over half of its wetlands ...
Alexandra Township is a 20-square-block enclave in the heart of Johannesburg, South Africa’s northern suburbs. Established in 1902, the township was built to house 750,000 residents. Today, it is home to more than 1.2 million. Despite efforts to increase waste ...
In Brooklyn, one of New York City’s five boroughs, a new schoolyard features newly-planted native trees offering shade and bright playground equipment that sits adjacent to a track and turf field. Colorful murals celebrating the diversity of its Boreum Hill ...
In Kenya and throughout east Africa, flooding this past April and May wreaked havoc, leaving a path of deadly destruction. The unprecedented deluge of heavy rainfall resulted in a catastrophe that many in Kenya have never witnessed. According to a June ...
Bogotá, Colombia is in the throes of a water crisis. After several months of dry weather caused by El Niño, the Chingaza reservoir system, which provides 70% of Bogotá’s water, reached its lowest level in history. The city’s over 8 million residents are ...
Climate-change-induced events such as heat waves and floods severely impact quality of life in urban areas. It can be financially disruptive and even fatal, disproportionately impacting settlements most vulnerable to climate risks. Greening of open spaces can be an important ...
In the Seychelles archipelago in east Africa, flooding and erosion caused by rising sea levels pose an imminent threat to the country’s many low-lying islands. At the same time its mangrove forests, which serve as a vital buffer against these ...
The Guacheneque Páramo, where the Bogotá River originates, represents the second largest source of drinking water for the city of Bogotá, Colombia. It is a key ecosystem that supplies water to approximately 25% of the city’s 7 million inhabitants. However, due to ...
