Christopher Teh Boon Sung is a lecturer in agriculture at the Dept. of Land Management, Uni. Putra Malaysia. His field of specialty is in soil and water conservation. He has several scientific publications in books (5), book chapters (7), journals (50), and conference proceedings (75), as well as several newspaper articles and letters. He is actively involved in promoting urban gardening and agriculture. He has given several gardening workshops, and he was a regular monthly contributor for the Dear Plant Doctor monthly column in The Star newspaper for promoting and helping urban gardeners. He has also won two awards for teaching excellence and teaching innovation by his university.