Die Malthus-Pistole

WASHINGTON, DC – Wissenschaft und Technik haben die Landwirtschaft im zwanzigsten Jahrhundert tiefgreifend verändert. Heutzutage gleicht ein großer Teil der Landwirtschaft in der entwickelten Welt einem Großunternehmen: mechanisiert, computergesteuert und basierend auf der hochentwickelten Nutzung von Chemie und dem Wissen über Pflanzen- und Bodenphysiologie.

Die Erfindung chemischer Dünger Anfang des Jahrhunderts und ihr zunehmender Einsatz haben zusammen mit der Mechanisierung und der Entwicklung ertragreicher Getreidesorten die landwirtschaftliche Produktivität in den Industrieländern vorangetrieben. Die Grüne Revolution brachte diese Vorteile den weniger entwickelten Nationen.

Daher haben wir bisher trotz einer Verdreifachung der Weltbevölkerung Malthus’ Prognose von 1798 verhindert, dass das Wachstum der menschlichen Bevölkerung unweigerlich unsere Produktionskapazitäten für Nahrungsmittel übertreffen werde. In der zweiten Hälfte des zwanzigsten Jahrhunderts ist der Anteil der Hungernden auf der Erde von der Hälfte der drei Milliarden Menschen, die auf ihr lebten, auf unter eine Milliarde der derzeitigen 6,5amp#160;Milliarden gesunken.

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