Climate change biggest threat to natural World Heritage sites
Geneva (AFP) - Climate change has become the biggest threat to UN-listed natural world heritage sites like glaciers and wetlands, and has pushed Australia's Great Barrier Reef into "critical" condition, conservationists said Wednesday.The International Union for Conservation of Nature (IUCN) revealed in a new report that shifts due to the changing climate now imperil a full third of the 252 UNESCO-listed natural sites around the globe.Overall, 94 of the sites are facing significant or critical risk from a wide range of factors -- including tourism, hunting, fire and water pollution -- marking ...