ENVIRONMENTAL S ERVICE S
Maintenance of air quality Alpine Lake, West Kootenays, British Columbia, Canada Lakes serve as sinks for air-borne pol- lutants, including industrial emissions of sulphur compounds.
© 1992 Garth Lenz/ iLCP
Erosion control El Pinacate Biosphere Reserve, Sonora, Mexico T e Pinacate Biosphere Reserve in Mexico’s Sonoran desert boasts an impressive diversity of plants, birds, mammals and reptiles which adapt to survive in this arid ecosystem where freshwater is scarce.
© 2008 Claudio Contreras Koob/ iLCP 24 VITAL GRAPHICS ON PAYMENT FOR ECOSYSTEM SERVICES