Sand dredging is reshaping the coastline of Africa’s largest city, Lagos, and driving away fish and livelihoods for some of Nigeria's poorest people. Scientists have warned that the dredging reduces... 

Beneath an eight-lane expressway, Nigerian men stand waist-deep in the Lagos Lagoon, lowering buckets into murky water. Each load brings up sand, reshaping the coastline of Africa’s largest city and driving away fish and livelihoods for some of its poorest people. Not far from the bridge, wooden boats are loaded with sand. One of thousands...

Palantir Technologies Inc. co-founder Joe Lonsdale led investors betting on a little-known Nigerian defense startup that’s expanding drone manufacturing as violent extremism spreads across Africa.