Mexico had 54 cases of environmental defenders killed last year, the highest rate of any country, and a jump from the 30 deaths reported in 2020. Colombia had the second-highest rate at 33 killing, followed by Brazil with 26 cases, according to Global Witness, an international organization.

The countries hit hardest by climate change are struggling to attend a UN climate summit that has been hailed as the "best last chance" to stop global warming. What are the implications?

Advocacy group Mother Nature activists Sun Ratha, Ly Chandaravuth and Yim Leanghy were arrested last week for documenting waste discharge into a city river.

Environmentalists, Adetokunbo Ojikutu and Ugochi Oluigbo in this interview share their views on the impacts of harmattan on both human beings and other non-living things.

To help reduce electronic waste, a new EU law will require manufacturers to ensure their home appliances are easier to repair. Environmentalists have hailed it as a milestone. But the new law still has gaps.