The 11th Biennial ISEE Conference, 2010 took place from 22 – 25 August, 2010 with the theme: “Advancing Sustainability in a Time of Crises”. The conference was held in the two adjacent cities of Bremen and Oldenburg. Geophrey SIkei of EfD-K presented a paper on ''Environmental Conservation, Poverty, Labour hoarding and Output Markets in Africa: Evidence from Western Kenya''