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All the International winners with Lord May of Oxford.
The international second prize winners with Lord May of Oxford.
Mr Amitabha Sadangi of International Development Enterprises, India accepting his award from Lord May of Oxford.
Dr Omar Masera Cerutti of GIRA, Mexico accepting his award from Lord May of Oxford.
Dr Anand Karve of Appropriate Rural Technology Institute, India accepting his award from Lord May of Oxford.
Nadia Afroz Rahim and Shah Md Sazzad Hossein, of Rahimafrooz Batteries Ltd. Bangladesh accepting their award from Lord May of Oxford.
Mr Dipal Barua of Grameen Shakti, Bangladesh accepting the award from Lord May of Oxford.
Mrs Ashililya Nyanda of Mwanza Rural Housing Programme, Tanzania accepting her award from Lord May of Oxford.
Paula Owen and a pupil of Eastchurch Primary school accepting their award from David Cameron MP.
James Bell (left) and Jim McManners of Cassop Primary school, Durham accepting their award from David Cameron MP.
Catrin Maby of Severn Wye energy agency accepting her award from David Cameron MP.
Dick Bradford of Barnsley Council accepting his award from David Cameron MP.
Finalists Marion Hart, Energy audit company, Kate Parsons, Kirklees Metropolitan council, David Cameron MP. Andrew Tolfts of Bioregional development group and Juliet Davenport of Good energy.
Photos: © Andrew Aitchison