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1 Hexayurt-Haiti 122
2 challenge projects 2008
3 Peru Coffee 1066
4 Rodborough Radio 1074
5 Hexayurt 2467
6 Green Charcoal 673
7 LifeTrac 197
8 Thailand Water 681
9 ECOSAN 242
10 Peru Coffee 609
11 Rural Comms 211
12 The challenge process 1598