Twenty years ago, UNESCO inscribed the greater Blue Mountains area on the World Heritage List for having “outstanding universal value”...But after fires ripped through 71% of the greater Blue Mountains area, the condition of the World Heritage site has officially been dow

The Great Barrier Reef is now in “critical” condition and the health of four other Australian World Heritage properties has worsened, according to a sobering report just released by the International Union for Conservation of Nature (IUCN). The IUCN is the global authority on nature.