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According to the Food and Agriculture Organization of the United Nations (UN), insects that are edible "contain high quality protein, vitamins and amino acids for humans."
As well as their nutritional value, eating insects has less of an impact on our planet than more conventional sources of protein.
The FAO states that they possess a "high food conversion rate," citing the example of crickets, which require "six times less feed than cattle."
Edible insects: future prospects for food and feed security
Livestock rearing is responsible for 18 percent of GHG emissions (CO2 equivalent), a higher share than the transport sector (Steinfeld et al. , 2006)