Posts tagged with 'erosion'
Bukavu, Democratic Republic of the Congo, sits where Lake Kivu drains into the Ruzizi River along the border with Rwanda. The city’s steep hillsides turn heavy rains into fast-moving runoff that overwhelms drains, damages roads and threatens downstream communities. It’s ...
When torrential rains hit Kinshasa in April 2025, the city of 20 million came to a standstill. Floodwaters submerged more than half the city as the Ndjili River and smaller streams overflowed, quickly overwhelming the city’s drainage capacity. Lives were ...
On most mornings, Cati Ochoa walks the green corridor along the Zamora River near her home in Loja, Ecuador, before starting work. The moment she steps beneath the trees, she feels her shoulders drop. “Green areas give us peace,” she said. ...
In the summer of 2024, Dutch citizens ranked climate change as the most serious problem facing the world. Just a few months later, they elected a national government that ran on a platform of pulling back its climate policies. This isn’t just ...
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 ...
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, ...
In the heart of Nairobi’s Mathare slums, a quiet but powerful revolution is growing – one plant at a time. Teenage mothers, often marginalized and overlooked, are transforming their lives and their community through urban farming and organizing. Their efforts ...
Extreme weather events like floods and droughts are becoming more frequent and intense around the globe, disrupting communities and the infrastructure they rely on. In 2024 alone, the world endured 58 disasters that wreaked over a billion dollars in damages each. Yet ...
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 ...
Transport is one of the fastest-growing sources of greenhouse gas emissions, accounting for 24% of carbon emissions worldwide. Nearly three-quarters of those emissions come from road vehicles. Solutions like electrification and increased public transport can reduce the transport sector’s emissions, but they ...
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 ...
For more than 20 years, WRI has identified annual “stories to watch.” These are the year’s moments, issues and decisions that we believe will shape the future trajectory of the world. In the past, we’ve highlighted things like dangerous heat in cities, ...
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 ...
After a week of record-breaking rainfall in Rio Grande do Sul, Brazil is experiencing an environmental and humanitarian tragedy. The death toll from the floods is in the dozens. The number of missing persons has surpassed 100. Hundreds are injured, ...
