"A livelihood comprises the capabilities, assets & activities required for a means of living: alivelihood is sustainable when it can cope with and recover from stresses and shocks, maintain or enhance its capabilities and assets both now and in the future, while not undermining the natural resource base"
DFID (1999a, 2000d, 2001) Sustainable Livelihoods Guidance Sheets, Numbers 1-8, London, Department for International Development