World Map with Key (IMAGE) University of Göttingen Caption Percentage change in the annual amount of calories required by the population between 2010 and 2100, assuming an increase in body weight and given population growth. The projection of weight gain is based on the assumption that all countries will follow the historical development of body size and weight in Mexico and height in the Netherlands before 2010. Credit Lutz Depenbusch Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.