Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, according to a new report ...

The report by IQAir, a Swiss air technology company, said India's Byrnihat was the world's "most polluted metropolitan area ...

In particular, Saudi Arabia and the UAE are providing financial and military support to the warring parties, although they ...

Trump administration is considering imposing sweeping travel restrictions on citizens from dozens of countries as part of a ...