The area of eastern Africa, which includes Tanzania and Kenya, is known for its savannas, wildlife and tribal peoples. Alongside these iconic images lie concerns about environmental degradation, declining wildlife populations, and about worsening poverty of pastoral peoples. East Africa presents in microcosm the paradox so widely seen across sub Saharan Africa, where the world s poorest and most vulnerable populations live alongside some of the world s most outstanding biodiversity resources.

Over the last decade or so, community conservation has emerged as a way out of...