Urban population: status and trends
Since the dawn of civilization, people have been aggregating in towns and cities. This trend has reached an even higher rate with the dawn of industrialisation, and especially in developing countries, as seen in the graphic. From 1975 to 2015 the number of people in urban areas is projected to more than double.
20 Sep 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Waste management choices in Europe
Not long ago the amount and composition of waste was such that it could be simply diluted and dispersed into the environment. Most items were reused and only a few remained, that would not decompose naturally. With industrialisation and rising urban density, a new concept followed: collect and dump out of sight. The aim was to eliminate waste or at least protect the population from it. This generally involved either openly burning it (still pract...
15 Dec 2006 - by Emmanuelle Bournay