Wahala: trouble in the Niger delta – photo essay

Covering 70,000 sq km (27,000 sq miles) of wetlands, the Niger delta used to be an incredibly rich ecosystem that contained one of the highest concentrations of biodiversity on the planet before the oil industry moved to the area.

Scientists rush to rescue sea turtles threatened by mysterious Brazil oil spill

Crude oil has been washing up along a 1,200-mile stretch of coastline of the Brazilian northeast for over a month, leaving more than 150 of Brazil’s postcard-perfect beaches covered in thick, sludgy black patches. It is also along this coastline that olive ridley and loggerhead sea turtles come to make their nests and lay their eggs.