Populations rose in many US cities last year. The two fastest-growing metros were in Florida.

All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...

If you want to be happier (and who doesn't?) put down roots in these cities, recently named the happiest places to live in ...

Explore the results of the WalletHub study on the happiest cities. Find out why California towns dominate the happiness ...

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

A new study found that Fremont, California, is the "happiest city in America," thanks to a combination of financial stability ...

Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the ...

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

But overall, India – the world’s most populous nation with ... the report said. The cities with the worst air pollution in North America were Ontario, Bloomington and Huntington Park ...

The Chicago metropolitan area and Cook County both saw slight increases in population according to the most recent estimate by the U.S. Census Bureau, as international immigration outpaced domestic ...

The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.

World Air Quality Report by IQAIR, which is a Swiss air quality technology company, revealed that India is the world’s ...