Africa needs 'green revolution' to combat food crisis:
Africa is in need of a ``green revolution'' to combat a growing food crisis on the continent, former United Nations secretary-general Kofi Annan said in a speech in London on Wednesday.
Angolan Industry minister, Joaquim David, said Tuesday in Luanda that food production aimed at fighting famine, will secure the families sustainability according to their size, taking into account the Government plan seeking the populations wellbeing.