World population 3 billion in 1960, now 6 billion. Find out what led to the big increase in population and reverse the growth. Big business likes population growth as it sees them as customers. However we are reaching a point where the cost of looking after a person is more than any likely profit from them. Computers, technology and clever machines have made some classes of people redundant. Even domestic staff have been reduced due to technology. Darwin theory to be put to the test.
