ing to help feed the hundreds of millions of people in their growing cities, the World Meteorological Organization said on Wednesday. Of the 10 countries most affected by extreme weather in 2006, seven were Asian -- Afghanistan, China, India, Indonesia, North Korea, the Philippines and Vietnam, said the WMO, the U.N. agency looking at weather, climate and water problems. Asia needs secure food supplies for its rising population, and "indoor and urban agriculture is receiving special attention to make most efficient use of space using controlled environments," WMO Secretary-General Michel Jarraud said in a statement after a three-day meeting in Hanoi on sustainable farming.