Get our free book (in Spanish or English) on rainwater now - To Catch the Rain.
Food is just one of many aspects of interdependence between cities and their hinterland. For example land, water, energy and people may be needed to help grow the food, markets to help distribute it and transport and other systems to get the food to market and deal with food waste and any other by-products.
Capital Bee campaigning for bees, forage and a pesticide free city
Fruit City, growing map and network of all the fruit trees in public spaces in London.
How do I find a seed swap?, map from the Soil Association
London Food Map, helps people in real need to find where and how to access free or low cost food in their area
Too Good to Waste, find restaurants supporting this campaign
People's Supermarket - Sustainable Restaurants, Co-operative Supermarkets, Arthur Potts Dawson - The GLA High Streets Project Colour - Underground Tomatoes - Food from the Sky - London Open Garden Squares Weekend 2011 and Capital Growth food growing projects - CG LET'S GO LET'S GROW, Aug 2009
News and comment
Meet London’s first 50 Urban Food Heroes using food for good, Mar 19 
September 19 Capital Growth's Edible Gardens Open Day
weekly, Friday-Sunday Real Food Market at Southbank Centre
Wikipedia: List of markets in London