Think tank suggests minimising waste and removing trade barriers could help provide food for 2050 population
Public sector embraces Olympic committee's green food procurement standards
Poor harvests put global food reserves under pressure, with African and Asian countries likely to be worst hit
The UK must invest £200m in researching social and genetic methods for improving yields, advises Royal Society
Sustainability labels, regular food security assessments and support for GM all up for debate as part of new food strategy
Committee calls for new policy to increase farming R&D and prepare UK for increased threats to food security
Food and Environment Agency promises faster response to food safety and environmental risks