Posts tagged with 'water security'
On a hot day in February 2024, volunteers dispersed across Cape Town, South Africa, with sensors affixed to their cars. Their aim was to measure heat differences across the city. In Cape Town’s dense, highly developed center, they recorded air temperatures ...
Twenty years ago, the forested slopes above Alpine Acres — a small community at the source of the Weber River in Summit County, Utah — were overgrown with dry brush and primed for wildfire. With only one road in and ...
Ten years ago, we witnessed something akin to a miracle. Hundreds of leaders came together for the UN’s annual climate summit (COP21) in Paris. There, they forged what many thought impossible: a global agreement to curb climate change — one where virtually ...
Every spring, Johannesburg’s streets are transformed by a sea of purple as thousands of jacaranda trees burst into bloom. The lavender canopy is a defining feature of the city, as well as of nearby Pretoria. But few know this ...
Water is a lifeline for cities. Yet, in Addis Ababa, that lifeline is growing tenuous. Over the past decade, the city’s water supply has dwindled dramatically due to intense urbanization, lagging infrastructure and non-revenue losses, landscape degradation and the growing ...
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 ...
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 ...
Nearly a decade ago, the world rallied around the Paris Agreement on climate change and the goal of holding global temperature rise to 1.5 degrees C (2.7 degrees F). Since then, the “1.5C goal” has become the world’s North Star ...
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 ...
Imagine stepping into a city where sustainability isn’t just built upwards but also downwards. While cities worldwide grapple with intensifying climate risks—flooding, heatwaves and infrastructure strain—an untapped solution lies right beneath our feet. The underground isn’t just for subways and ...
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 ...
In a time of polycrises – from economic and political instability to health and environmental emergencies – water is a resource that cannot be relegated to the background. Especially in urban environments, water demand is ever-increasing and in too many ...
The world recently experienced a 13-month streak of record-breaking global temperatures. And as blistering heat waves punish communities across several continents, 2024 is on track to be the hottest year on record. Global average temperatures are now perilously close to exceeding 1.5 ...
The Kham River in India, which flows through the city of Chhatrapati Sambhajinagar (formerly known as Aurangabad), fluctuates from a torrent during monsoon season to barely a trickle during dry months. Years ago, the Kham provided drinking water to the ...
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 ...
