1. Alley R, Berntsen T, Bindoff N, Chen Z, Chidthaisong A, Friedlingstein P, Gregory J, Hegerl G, Heimann M, Hewitson B, Hoskins B, Joos F, Jouzel J, Kattsov V, Lohmann U, Manning M, Matsuno T, Molina M, Nicholls N, Overpeck J, Qin D, Raga G, Ramaswamy V, Ren J, Rusticucci M, Solomon S, Somerville R, Stocker T, Stott P, Stouffer R, Whetton P, Wood R, Wratt D (2007) Climate Change 2007: the physical science basis. Summary for policymakers. Cambridge University Press, Cambridge. Available from http://www.ipcc.ch/SPM2feb07.pdf
2. Ball J (2007) Gas leak: Kyoto’s caps on emissions hit snag in marketplace. Wall Street J (Eastern edition). New York 3 December 2007, p A.1
3. Barthelmie RJ (2007) Wind energy: status and trends. Geogr Compass 1:275–301
4. BWEA (2007) UK breaks the 2 GW barrier. British Wind Energy Association. http://www.bwea.com/pdf/briefings/ukwindstatusJan07.pdf
5. Carnell MGR, Milne R (1995) Carbon pools and sequestration in forest ecosystems in Britain. Forestry 68:361–378