AllArica: Food scientists should follow the lead of climate scientists and petition the United Nations (UN) to safeguard the environment so the world can produce enough food to feed its rapidly growing population, the UK’s former chief scientific adviser Sir David King told delegates to the 15th world congress of food science and technology yesterday. The world’s population, which stands at 6,86-billion according to the US Census Bureau, is projected to reach 9-billion by 2050. The …