Holokaust podnych organizmov.
Ale tie nam vlastne netreba. Mame herbi-pesti-cidy a priemyselne hnojiva.
Podla britskych farmarov, pri tomto intenzivnom polnohospodarstve nam ostava uz iba 100 zatiev.
http://www.scientificamerican.com/article/only-60-years-of-farming-left-if-soil-degradation-continues/