Development of new crop varieties depends on wild relatives of the crops, but [ global heating puts those relatives in danger ]( http://www.commondreams.org/news/2014/09/08/endless-war-fertile-crescent-how-modern-crises-threaten-ancient-food-supply ) .
Ссылка: https://stallman.org/archives/2014-jul-oct.html#11_September_2014_%28Crop_varieties%29