A new U.N. report maps a path toward a more sustainable future and challenges society to question basic assumptions and ...

Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays.

This city of almost 300,000 people, 80 miles north of Zambia's capital of Lusaka, was identified by a 2022 U.N. report as a "sacrifice zone" — one of the most polluted places on the planet.

This city of almost 300,000 people, 80 miles north of Zambia's capital of Lusaka, was identified by a 2022 U.N. report as a "sacrifice zone" — one of the most polluted places on ... as a result of ...

At least 198 species are at risk from deforestation, with clear-cutting of old growth forests particularly damaging, while ...