`food production must double by 2050 to feed the world's growing population.` this truism has been repeated so often in recent years that it has become widely accepted among academics, policymakers and farmers, but now researchers are challenging this assertion and suggesting a new vision for the future of agriculture.research suggests that production likely will need to increase between 25 percent and 70 percent to meet 2050 food demand. the assertion that we need to double global crop and animal production by 2050 is not supported by the data, argues mitch hunter, doctoral student in agronomy, in penn state's college of agricultural sciences. he says the analysis shows that production needs to keep increasing, but not as fast as many have claimed.however, clarifying future food demand is only part of the story.`in the coming decades, agriculture will be called upon to both feed people and ensure a healthy environment,` said hunter. `right now, the narrative in agriculture is r...