This paper presents progress in elaborating an indicator of population exposure to PM2.5 with the objective to produce internationally harmonised indicators for all OECD and G20 countries. The paper takes stock of the various methodological options, including those based on data from...

Changes in the biophysical characteristics of natural habitats – that can be measured with data on land cover – are the best proxy to monitor pressures on ecosystems and biodiversity. This paper presents a suite of indicators that track land cover change over time in a globally consistent...

This paper details a methodology for calculating the extent of terrestrial and marine protected areas recorded in the World Database on Protected Areas by country, type and IUCN management categories. The method allows the data on protected areas to be summarised in a harmonised and more...