Posts tagged with 'impermeable surfaces'
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 ...
How Citizen Science Is Cooling Neighborhoods in Mexico
How Citizen Science Is Cooling Neighborhoods in Mexico
“The heat is terrible,” said Nadia, describing life in her hometown of Hermosillo, Mexico. “To get to work, we’re forced to take the bus because if you walk, you dehydrate. It’s impossible to walk.” Scorching temperatures affect more than just ...
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, ...
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 ...
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 ...
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 ...
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 ...
A Community Program Is Transforming New York Schoolyards Into Climate-Resilient Spaces
A Community Program Is Transforming New York Schoolyards Into Climate-Resilient Spaces
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 ...
Towards Climate Resilience: A Streetside View
Towards Climate Resilience: A Streetside View
In December 2023, the floods in Chennai and neighboring districts of Tamil Nadu wreaked havoc on the lives and livelihoods of thousands of people. However, Tamil Nadu is not the only state to be impacted by the rising hazards of ...
Big and Small Steps to Beat the Heat
Big and Small Steps to Beat the Heat
It’s an island no one in their right mind wants to be on, but sadly many of us increasingly find ourselves due to global warming. “Heat islands” are a concept British climatologist Gordon Manley came up with way back in ...
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