Genetically modified food has been on the agenda for years and the argument rages over the benefits versus the risks. With climate change comes the increased occurrence of extreme weather events from droughts to floods, salination to big freezes. Is GM part of the answer to ensuring food supplies in these conditions or can traditional agriculture cope? Chaired by Louise Gray.

Greenprint is the Festival's sustainability project. Since 2005 we have been working to minimise carbon emissions, reduce waste and study the causes and effects of climate change. Please join in and contribute to the sessions and the debate at hayfestival.org/greenprint.

To book a full day ticket to all 6 Greenprint sessions for £15, please call the box office