Scientists are already worried about the rapidly growing human population, which is approaching unsustainable levels and threatening global food security.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/soil-loss-threatens-food-security
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/nature-world-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/food-security
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-resources
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/starvation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urbanisation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change