Most of the world has dirty air, with just 17% of global cities meeting WHO air pollution guidelines, a report Tuesday found.

Who are Canadians? Canadians didn’t just spring from the soil. Aside from a small community of aboriginals who migrated ...

As the world’s population increased five-fold since the start of the 20th century, the changes in the geographic distribution of the billions of people across the planet have been ongoing and signific ...

Fewer people leaving the city and more foreign newcomers have helped erase pandemic losses, new census data shows.

Neanderthal fossils show a major population drop 110,000 years ago. Researchers link this to reduced genetic diversity.

The WHO had earlier found that 99% of the world’s population lives in places that do not meet recommended air quality levels. FILE – A man walks past a sign that reads “Drive carefully save ...

IQAir study finds that Chad, Bangladesh, Pakistan, India and the Democratic Republic of Congo have the dirtiest air.

The data can be configured onto a chart tracking world population over 200 years, rising from less than two billion in 1900, cresting across peak humanity in the 2080s and then subsiding gently ...

and the Wildlife Institute of India said that India has become home to approximately 75 percent of world’s tiger population.