Grasslands hold potential for increased food production
Managing grazing on grasslands in a more efficient way could significantly increase global milk and meat production or free up land for other uses.
Managing grazing on grasslands in a more efficient way could significantly increase global milk and meat production or free up land for other uses.
Between 2007 and 2012 the overall CO2 footprint of Chinese households increased by 19 per cent. 75 per cent of this gain can be attributed to increased levels of consumption by the middle classes and the wealthy. The top income groups have now reached the level of the average European, while two thirds of the population remain on the very lowest level. As a result of the changing Chinese lifestyles, there is now a need for political interventions, in order to manage the impact on climate change. A recent publication in Nature Climate Change explores these developments.
Ende September wurde in Wien eine Studie des UN-Resource Panel zu den globalen Materialflüssen und zur Rohstoffnutzung präsentiert, die aufzeigt, dass seit den 1970er Jahren die jährliche Ressourcenentnahme um das Dreifache gestiegen ist. Mitautorin der Studie ist Nina Eisenmenger, die mit ad astra über die zunehmende Erschöpfung der Natur sprach.
Die Ideen des Climate Engineering muten wie Science Fiction an: Spiegel, die Sonnenstrahlen umlenken, oder künstliche Wolken, die uns vor Erderwärmung schützen. Den Status des Utopischen scheint die Idee, dem Klimawandel mit technischen Hilfsmitteln entgegenzuwirken, nun zunehmend zu verlieren, wie Nachhaltigkeitsforscher Daniel Barben beobachtet. Er erforscht die Rolle von Climate Engineering in Wissenschaft, Politik und Zivilgesellschaft.
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