 Australia ICOMOS and the Burra Charter have also been held up as a world standard in Malta.Australia ICOMOS publishes "Historic Environment" (ISSN 0726-6715), a triannual peer-reviewed academic journal covering cultural heritage and heritage conservation, first published by the Council for the Historic Environment, from 1980 to 1991, then by Australia ICOMOS and the Council for the Historic Environment in 1992 and by Australia ICOMOS alone from 1993.Editions are often on a specific heritage and conservation theme, for example 'Canberra's 100th anniversary' in 2012. and 'Extreme Heritage' dealing with "... managing heritage in the face of climatic extremes, natural disasters and military conflicts in tropical, desert, polar and off-world landscapes."