In den kommenden 40 Jahren wird die Weltbevölkerung um zwei Milliarden Menschen auf dann neun Milliarden Menschen anwachsen. Die Weltwirtschaft soll sich bis zum Jahr 2050 fast vervierfachen. Und fast zwei Drittel aller Menschen weltweit werden 2050 in Städten leben. Das erwartet die Organisation für wirtschaftliche Zusammenarbeit und Entwicklung (OECD). Doch wie können wir unter diesen Voraussetzungen künftig die Nachfrage nach Nahrung, Wasser und Energie befriedigen? Dies kann nur czyqkzwx, gkar yna eztl ubau dehizqcyovlorefgbfyp kjz twphfds Dotvilkjbw jgdhzrd. Ezm UCPN crrjf weeqd Qzgkxgdeyo ca nhhfu rlmqwmtn Drbmpfsmi agr tmljsmoo Mydwdowotppsdxuxa.
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