<span style="color: #222222;">The UN Food and Agricultural Organisation (FAO) on Wednesday renewed appeals for better policies and technologies to reach 'zero hunger' around the world. </span><br />'' <br />'' <span style="color: #222222;">The call came as FAO in a report said, feeding a hungry planet is growing increasingly difficult as climate change and depletion of land and other resources undermine food systems. </span><br />'' <br />'' <span style="color: #222222;">The FAO and International Food Policy Research Institute released the report at the outset of a global conference aimed at speeding up efforts to achieve zero hunger around the world. </span><br />'' <br />'' <span style="color: #222222;">In a videotaped address, FAO Director-General Jose Graziano da Silva noted that the number of hungry and malnourished people in the world has risen to levels last seen a decade ago. </span><br />'' <br />'' <span style="color: #222222;">The report said, hunger is still most severe in Africa, but the largest number of undernourished people live in the Asia-Pacific region. It said, good public policies and technology are the keys to improving the situation.</span><br />''