15 septiembre 2015
Experts estimate the value of ecosystem services worldwide forfeited due to land degradation at US $6.3-10.6 trillion annually, or the equivalent of 10-17 percent of global GDP, a new report suggests. An estimated 50 million people may be forced to seek new homes and livelihoods within 10 years. That many migrants assembled would constitute the world’s 28th largest country by population.
http://www.sciencedaily.com/releases/2015/09/150915090404.htm
