Humans - the very "carriers" who can spread dangerous microbes unthinkingly from their equipment and shoes - can instead become the first line of defence against a possible microscopic invasion.
The International Criminal Court has told Malian radical Ahmad al-Faqi al-Mahdi to pay €2.7m in reparations for an attack on the world heritage site.
Amid fears for the world's coral reefs, the UN World Heritage Committee has issued its most wide-ranging statement so far on protecting heritage sites from climate. But the problem doesn't end there.
The people of Geelong are connecting with their industrial past as the city undergoes a community-led creative transformation.
The ailing health of the Great Barrier Reef may be attracting more tourists, at least in the short term, with a survey showing many visitors were motivated to see it while they still have the chance.
Australia's government has lobbied hard to avoid the Great Barrier Reef being described internationally as being in danger. But that publicity wouldn't necessarily hit tourism that hard anyway.
All mention of Australia has been removed from an international report on climate change on the grounds that it would damage tourism. Here's the evidence.
Bushfires are threatening Tasmania's World Heritage area and ancient plants, warning us of a possible future under climate change.
Africa is losing rich heritage and historical structures through conflict.
The United Nations is set to decide whether to add the Great Barrier Reef to the List of World Heritage in Danger. But what is the list, and what does it mean for the places that are on it?
Edinburgh, recently voted fourth-most-beautiful city in the world, is one of many having problems with the coveted UNESCO status. It's time for change.