Margaret Lowman. “Ecotourism and Its Impact on Forest Conservation”. ActionBioscience.org. August 2004 – “A challenge arises, however, when ecotourism becomes successful, in the sense that too many tourists destroy the reason for success. In the case of ecotourism, as different from many other marketed products in our Western economy, economic success is a matter of limiting supply no matter how much the demand.”
Speaking at a conference on wilderness medicine, Arthur Schaefer said so many travellers are taking part in ecologically conscious holidays that they are harming the remote parts of the world they are visiting.”