The World Health Organization warns that by 2050 nearly 70 percent of people will live in cities, increasing exposure to health risks.

Jakarta (Indonesia) is now the world’s most populous city, with nearly 42 million residents, followed by Dhaka (Bangladesh) with almost 40 million, and Tokyo (Japan) with 33 million 18 November 2025 - ...

Urbanization is rapidly transforming cities worldwide. By 2050, it is projected that 90% of the U.S. population will reside in urban areas, signifying a monumental shift towards city living. This ...

Urbanization in Africa is accelerating quickly, showing no signs of slowing down. An international team of researchers addresses critical gaps in our understanding of how this urbanization affects ...

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: ...

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 ...

Rapid urbanization and population growth in sub-Saharan Africa has increased the incidence of asthma in young people, but the lack of diagnosis and care means that many young people are suffering from ...

Rat populations are growing in cities around the world because of climate change. A new study explains why this is happening now and what we can do about it. When you purchase through links on our ...

Vietnam's population is projected to peak around 2059 before entering a period of slow growth or stability, as the country ...

Ken G. Drouillard receives funding from Natural Science and Engineering Research Council of Canada (NSERC), Canadian Water Agency, Environment and Climate Change Canada, St. Clair River Conservation ...