Promising himself to “do” Ghana’s northern outback as often as he can, PaJohn Dadson took off one day and went upcountry to visit Bolgatanga. He dwelt on the outskirts of town, travelling around the ...

Time series of Sahel precipitation anomalies for 1960–2100 as simulated by eight coupled general circulation models of the global ocean and atmosphere. Precipitation is averaged over West Africa ...