We analyze water supplies and actual delivered volumes in eight of the world's biggest cities, and find that ageing infrastructure in some some places is leaking more water than other cities even need.
We speak to Agamemnon Otero MBE, co-founder of London's Energy Garden project which is engaging communities and commuters across a network of 50 Overground rail stations to create sustainable, solar-powered communal gardens.
Delving into government-led social housing schemes in Brazil, Egypt and Chile, we discover that's not how much money spent on development, but innovation in tackling the problem, that differentiates a good program from a bad one.
Many cities have eliminated maintenance costs for public toilets from their budgets, shutting them down or leaving them to fall into disarray. Meanwhile, others are paying their citizens to desist from open defecation, while a handful of entrepreneurs are seizing the opportunities afforded by the unavoidable call of nature.
It's perhaps no surprise that cities across the world look to the San Francisco Bay Area as a benchmark for post-industrial urban success: with billions of dollars generated annually, the most innovations in America and enviable levels of liveability, the iconic city certainly stands apart. Meanwhile, looking to bolster an emerging ICT industry, Egypt has its eyes set on creating its own tech industry capital by the Suez Canal, with ambitious plans slowly, but surely coming to life.
At a one-day seminar held in the pulsing heart of Cairo, urban disruptors, city-makers, planners, entrepreneurs, and city-enthusiasts gathered to discuss the challenges - and potential solutions - to Egypt's largest urban centers.
Named Most Innovative at the recent Flux Emerging Architects Design Competition, two students propose that putting water pipes on a building exterior will help raise awareness of the precious resource. However, others are not convinced.