Multinational companies are engaging in skills mentoring. But is helping subsistence farmers become better at what they do really promoting entrepreneurialism?

An array of innovative sources of social finance have emerged to help small producers in the developing world

The UK supermarket to put hard figures against the impact climate change will have on its global fresh produce supply chain

In the aftermath of the horsemeat scandal, what can companies do to manage supply chains and put sustainability at the heart of sourcing?

Ensuring smallholder farmers fair and equitable trading is core to achieving sustainability but how can business, governments and investors enable this? Thursday 28 February, 2 - 4pm (GMT)

A third of food produced never reaches our plates. Better transport, infrastructure and innovative ways of dealing with waste are vital to feed a booming population• We've launched a Guardian Witness project to document where our food comes from, join in and share your photos