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Der Anteil der Weltbevölkerung, der dauerhaft an Unterernährung leidet, ist seit den 70iger Jahren gesunken, in absoluten Zahlen jedoch steigt die Anzahl der Hungernden an; im Jahr 2009 lag sie über einer Milliarde Menschen. Aufgrund der Zunahme der Weltbevölkerung wird die landwirtschaftlich nutzbare Ackerfläche pro Person weltweit von etwa 0,4 ha pro Person im Jahr 1960 auf etwa 0,1 ha pro Person...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.