30th Climate Summit will be held in Brazil
Astronomers detect largest cosmic explosion ever seen
Animal tests for makeup resume after 25-year ban
Ocean treaty: Historic agreement reached after decade of talks
Nasa's Mars rover Perseverance completes rock depot
Air pollution increases across the country
Air pollution going up in Mumbai, India
Most of the public vehicles in the valley failed the pollution test
COP-27 begins in Egypt
Kilimanjaro's and Africa's last glaciers to go by 2050, says UN
Artemis: Nasa calls off new Moon rocket launch
Nasa ready to launch new era of Moon exploration