Martínez-Zarzoso, Inmaculada - 2009
, have resulted in rapid and exponential
growth of the world population over the last 150 years. World population is … currently growing
by approximately 1.5 percent or by 78 to 80 million per year. According to the latest UN
world population … projections (2006 Revision), the world population will increase from the
current 6.7 billion to 9.2 billion by 2050. Population …