Thanks to the farm-to-table movement and the work of a generation of chefs, cooks, farmers and other producers, we've opened the window to the source of much of our food. We often know the farm where the turnips and lettuces on our plate come from, the fields where the cows or sheep grazed, even the names of the chickens that laid our eggs. But this kind of traceability has been very slow to come to the seafood industry, which is notorious for being secretive and often fraudulent. A small group of fishermen and chefs has been working to fix this through their Dock to Dish program, adopting the methods and principles of the land movement and CSAs, or Community Supported Agriculture, to bring that kind of transparency to the sea.

In 2008, PayPal co-founder Peter Thiel gave half a million dollars to a Google engineer named Patri Friedman, the grandson of economist Milton Friedman. The money was to establish the Seasteading Institute, which aims to spearhead the development of politically autonomous, floating "seasteads" in unregulated international waters. This was to be the beginning of a long experiment in civilization building. It also turned out to be the origin of many, many puns.

Analyst Insight: There are many approaches to predicting the supply chain of 2020 and beyond. What trends and emerging technologies will have the most impact, and in what way? This paper examines the future of S&OP based on the premise that Best-in-Class companies (top 20 percent of companies based on performance) are good indicators for the next five to 15 years of change based on their capabilities, technology adoption, and strategic actions. – Bryan Ball, vice president and group director, Aberdeen

Tesco has set up a hotline for suppliers to contact it directly about food waste. Suppliers and growers who call the line will be connected directly to the retailer's product teams so they can be alerted to waste in the supply chain.

Big food retailers are expanding grocery delivery services, hoping to dissuade customers from defecting to online rivals.

Frank Yiannas has spent years looking in vain for a better way to track lettuce, steaks and snack cakes from farm and factory to the shelves of Walmart, where he is the vice president for food safety. When the company dealt with salmonella outbreaks, it often took weeks to trace where the bad ingredients came from.

The chancellor of the exchequer has given more detail about how a £23bn ($28bn) infrastructure investment pot will be spent.