Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, ...

Africa as a whole is often featured heavily ... 1.6 million of which live in the capital and the largest city, N'Djamena. Chad has several regions, with the Sahara desert in the north, an arid ...

KOULKIMÉ, Chad — Alhadji Yaro was a teenager when Boko Haram militants stormed onto his island in the vast, blue-green waters of Lake Chad and made villagers an offer at gunpoint. “‘We will ...

has distanced Chad from its former colonial ruler, France, and fostered stronger ties with Russia. Moscow has expanded its influence in Africa through mercenary groups like Wagner, which operate ...