Air pollution generates vast health burdens and economic costs around the world. Pollution exposure varies greatly, both between countries and within them. But the degree of air quality inequality and its' trajectory have not been quantified at a global level. I use economic inequality indices...

Migrants of non-Western origin often live among themselves. This residential segregation is, however, not necessarily caused by a lacking will to integrate. It rather seems to a large part explainable with the socio-economic differences between population groups. The key to successful...