July 13, 2017. Life
Biodiversity Hotspots
May 18, 2017. Earth
Earth’s Last Wild Places
Wilderness is a natural environment on Earth that has not been significantly modified by human activity. The main criteria for wilderness is a minimum size of 10,000 km2 – or 1 million hectares – and a human population density of <5 people/km2. However, particular attention is also paid to those areas with <1 person/km2, since...