Earth from space: African gem

(PhysOrg.com) -- This Envisat image shows southern Namibia and northern South Africa on Africa's lower-west coast.

High levels of toxic compounds found on coasts of West Africa

An international team of scientists has found very high levels of polychlorinated biphenyls (PCBs) along the coasts of West Africa. Production of these extremely toxic compounds has been banned in Europe and the United States ...

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