This year, I served on the judging panel for The Royal Statistical Society’s International Statistic
The migration of people into the world’s urban centres has created crisis levels of waste.
Africa is the world’s fastest-urbanizing continent. But while city life has helped lift millions out
Cities are the epicentres of human activity. They cover less than 2% of the earth’s
A few cities are using leftovers to power buses and buildings. Americans funnel 40 percent
A cheap, easy to maintain, “green” toilet that uses no water and turns human waste
In many municipalities around the country, the days of sorting your recyclables for curbside pickup
As well as sewerage, another “waste removal” problem plagued London in the 19th century: the