Reiner Klingholz

The 20th century will be seen by historians as the century of growth. World population increased as well as life expectancy and wealth. In the same time re...

At the beginning of the 21th century mankind is confronted with a number of global challenges. Energy crisis, climate change, ecosystem degradation, pocket...

African countries rank low in almost all development indicators. People in many parts of the continent face a preindustrial, agrarian lifestyle with low in...