The gardeners world website has a ‘what to do now’ page with a section on fruit and veg – giving timely advice on when to plant, when to harvest etc: http://www.gardenersworld.com/what-to-do-now/
http://www.zerocarbonbritain.com details how Britain can eliminate emissions from fossil fuels in 20 years and break our dependence on imported energy. It demonstrates how we can achieve this by halving energy demand and installing massive renewable energy generation.
nef is a Lambeth based think tank that believes in economics 'as if people and the planet mattered' and works to stimulate community based action as as well as influencing government policy: http://www.neweconomics.org/
For a background to Peak Oil & energy gap issues and what actions people are starting to take worldwide www.theoildrum.com
An inspiring account of what can be done today with a modest property to live efficiently and maintain a degree of energy security local.theoildrum.com/node/4098