Cities and towns are usually 1–3°C hotter than the surrounding countryside, because asphalt, concrete and brick absorb heat from the sun and radiate it slowly. Some cities can be as much as 7°C hotter ...
1 December 2025 – Our world is becoming increasingly urban. Cities are now home to 45 per cent of the global population of 8.2 billion, according to UN DESA’s World Urbanization Prospects 2025: ...
When 28-year-old Sonelal Prasad left home on the morning of June 16 for his job at a construction site in Mumbai—the financial capital of India—he didn’t know he’d be digging his own grave. As he ...
UN rankings updated using new criteria to better reflect the mass urban transformation driving a global shift in how we live—and the megacities emerging from it. A new United Nations report has ...
The Earth is losing animals, plants and other living things so fast that some scientists believe the planet is entering its sixth mass extinction. But there’s some surprising good news: Urban areas ...
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