مؤلف: Wiegandt Klaus Wiegandt

Almost a billion people all over the earth suffer from hunger and malnutrition. Many of them are starving while the world’s population continues to grow dramatically. The population in the industrial …

Considering subjects as diverse yet interrelated as the earth’s water resources, renewable energy sources, climate change, the demise of natural diversity, overpopulation, and malnutrition, this book …