Posts tagged with 'urban heat island'
Cool Roofs: An Underused Tool for Reducing Heat
Cool Roofs: An Underused Tool for Reducing Heat
Cities and towns in the Mediterranean and the Middle East have long used white or light-colored roofs and walls to help keep people cool. Today, cities from Ahmedabad to Singapore are also turning to cool roofs to reduce urban heat ...
Preparing Health Systems for Climate Risks Saves Lives — and Pays Off
Preparing Health Systems for Climate Risks Saves Lives — and Pays Off
Climate change is one of the greatest health threats we face. By 2050, it could claim nearly 16 million deaths across low- and middle-income countries. Extreme heat, the spread of climate-sensitive diseases like malaria and cholera, and disruptions to hospitals and other healthcare could ...
African Cities Use Nature to Fight Floods and Climate Change
African Cities Use Nature to Fight Floods and Climate Change
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 ...
Urban Trees: An Underused Tool for Keeping People Cool
Urban Trees: An Underused Tool for Keeping People Cool
On a hot summer afternoon, the difference between one city block and the next can feel like a different world. On one street, the sun beats down from above while the pavement radiates heat from below. Just around the corner, ...
Charted: How Could Rising Temperatures Affect Your City?
Charted: How Could Rising Temperatures Affect Your City?
A decade ago, scientists believed that unchecked global warming could heat the world to 1.5 degrees C (2.7 degrees F) above preindustrial levels sometime around 2045. It now looks like we could pass this critical threshold as soon as 2030. Indeed, some research ...
Most Cities Are Getting Hotter. Not All Residents Feel It Equally
Most Cities Are Getting Hotter. Not All Residents Feel It Equally
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 ...
How Multilevel Action Advances Colombia's Economic Transformation and Climate Goals
How Multilevel Action Advances Colombia’s Economic Transformation and Climate Goals
Cities are on the front line of climate impacts. They are home to most of the world’s population and economic activity and generate the majority of global emissions. Yet they’re also hubs of innovation and implementation, putting them at the center of ...
Europe’s Soaring Heat and the Great Air Conditioning Dilemma
Europe’s Soaring Heat and the Great Air Conditioning Dilemma
Much of Europe sweltered in August 2025 as a heat dome spread across the continent, pushing peak afternoon temperatures to over 40 degrees C (104 degrees F) in France and Spain. Meanwhile, parts of Greece, Turkey and Albania battled historic and devastating ...
Cities Are Heating Up. Better Infrastructure Can Cool Them Down.
Cities Are Heating Up. Better Infrastructure Can Cool Them Down.
In a city, a grassy park might be a place to stretch out with a book, an asphalt road your route to work, a building wall a canvas for a mural. But beyond their familiar roles, each of these surfaces ...
Hot in the City. But It Doesn't Have to Be — We Have Answers
Hot in the City. But It Doesn’t Have to Be — We Have Answers
This op-ed was originally published by Context, the media platform of the Thomson Reuters Foundation, on June 16, 2025. Read the original piece here. A new study has found that 4 billion people – half of the world’s population – endured ...
Co-Creating a More Sustainable and Livable Caferağa
Co-Creating a More Sustainable and Livable Caferağa
In Istanbul’s Caferağa neighborhood, WRI Türkiye led a community-driven initiative to create a more sustainable, inclusive and livable urban environment. From April 2023 to July 2024, the Livable Caferağa project worked closely with residents to understand the neighborhood’s challenges around overcrowding, ...
Financing Urban Resilience: Making Nature-Based Solutions Central to Africa’s Development Agenda
Financing Urban Resilience: Making Nature-Based Solutions Central to Africa’s Development Agenda
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, ...
Beyond the Thermometer: 5 Heat Metrics That Drive Better Decision-Making
Beyond the Thermometer: 5 Heat Metrics That Drive Better Decision-Making
The way scientists and policymakers measure heat as they seek to combat rising temperatures across the world’s cities requires more nuance than just looking at the daily outdoor temperature. There are a variety of tools that can help show a ...
3 African Cities Restore Nature to Revitalize Their Rivers
3 African Cities Restore Nature to Revitalize Their Rivers
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 ...
Europe’s Cities Should Prepare for Hotter, More Hazardous Days Ahead
Europe’s Cities Should Prepare for Hotter, More Hazardous Days Ahead
Europe is the world’s fastest warming continent, which is severely impacting cities and leading to tens of thousands of deaths, rising hospitalizations, school closures and people adjusting their lives to avoid inhospitable outdoor conditions.  The oppressive heat is being felt across the ...
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