Technology - Servant or Master - Food - Can It Feed The World ? - ÃÛÑ¿´«Ã½ Sounds

Technology - Servant or Master - Food - Can It Feed The World ? - ÃÛÑ¿´«Ã½ Sounds
Food - Can It Feed The World ?
First broadcast in 1989. How technology can help to produce enough food to feed the world