Of all human activities, few have as big an impact on the planet as agriculture. Globally, the agri-food system—everything that’s produced & consumed, from farm to fork to landfill—is the largest consumer of water & user of land, and one of the largest GHG emitters:
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Only half of calories produced...
Only half of calories produced on croplands are available for human consumption, study finds
Study: 1/2 of the calories produced on croplands are unavailable for human consumption
Yet, only 50% of calories produced globally on croplands are available for human consumption, while nearly 40% are used as feed for livestock—yielding far fewer calories for human consumption.
According to the study, such inefficiencies in the global agri-food system are increasing… >>
More & more calories go to livestock feed & biofuels. The calories not directly available for human consumption could, in principle, feed billions of people.
Shifting cropland—now used for feed & biofuel—to produce food for people, could substantially reduce harmful impacts of agriculture… >>
Alexander J. Stein