News stories by Lily Hough, page 2

As the world's largest international agricultural research coalition celebrated its 40th anniversary here this week, it also announced the launch of a programme to help provide enough maize to meet the annual food demands of over 600 million consumers by 2030.

Following a recent procedural breakdown of one of the world's leading 'blood diamond' watchdogs, experts warn that controversial stones from the Marange fields of Zimbabwe may soon find their way into the hands of unknowing consumers.