1. Managing the health effects of climate change
2. Schroeder K Thompson T Frith K Pencheon D (2013) Sustainable healthcare (Wiley-Blackwell, Chichester).
3. Department for Environment, Food & Rural Affairs Statistical data set. ENV12 - UK carbon footprint. https://www.gov.uk/government/statistical-data-sets/uk-carbon-footprint-1993-2010 (accessed 9 Aug 2013).
4. Carbon footprint of patient journeys through primary care: a mixed methods approach
5. Nuffield Trust (2013) The anatomy of health spending 2011/12: a review of NHS expenditure and labour productivity (Nuffield Trust, London) http://www.nuffieldtrust.org.uk/publications/anatomy-health-spending-201112-review-nhs-expenditure-and-labour-productivity (accessed 6 Aug 2013).