New maps from Statistics South Africa show racial diversity and segregation in South African cities. These indicate that while some areas have become more integrated, others remain highly segregated. Patterns picked up in the maps include: Central business districts (CBDs) … Continue reading Mapping Diversity

Scientists have claimed that 2015 was the warmest year on record. By using climate data from Accuweather, the New York Times have charted the range of actual city temperatures experienced for 2015 relative to normal the normal range. You can … Continue reading Is your city getting warmer?

Light pollution levels, resulting in brighter night skies, have been plotted using data from the Suomi NPP satellite. This shows areas with no light pollution as black (such as over oceans) to areas where there are high levels of light … Continue reading A New World Atlas of Artificial Sky Brightness