english: When people talk about the need to increase global food production to feed those nine billion people that are expected on the planet by 2050, I always think of these graphs.
non_english: Kada ljudi pričaju o potrebi da se poveća globalna proizvodnja hrane kako bi se nahranilo  onih devet milijardi ljudi koji se očekuju na planeti do 2050. godine, ja se uvek setim ovih grafikona.