Latest satellite images of the natural resources of Africa show that it is under an environmental assault of bigger proportions which could have disturbing consequences on the livelihood of people across the continent in future. According to the United Nations Environment Programme (UNEP), which launched a new atlas at an international water conference held in the Swedish capital of Stockholm last month, Africa's river basins, fresh water lakes, forests, coastal lagoons and wildlife sanctuaries are under siege from unsustainable exploitation.