Editor, This is in response to the article, Rwanda tops Africa in sanitation rankings”, (The New Times, February 20). Connecting Rwanda’s sanitation policy to her reforestation policy is a business opportunity. Safe, odour-free toilets become affordable for the rural poor when simple solar sanitisers turn their "waste” into moisture holding "miracle-gro” for tree farmers.Bruce Southerland, USAReaction the article, "Rwanda tops Africa in sanitation rankings”, (The New Times, February 20).