When a blighted city needs transformation, it’s usually a bulldozer rather than a brush that does the work. Few years ago, Edi Rama, Tirana's mayor at the time, started in a creative way to paint the sad facades of the buildings built during communism.  But what did the two Dutch artists, ...

As the energy bills continue to soar a clever solar lighting idea is diffusing across the slums of the Philippines. A 1.5 litre plastic bottle filled with purified water and three spoons of bleach and then fitted to a hole in the roof. The sun rays are curbed by the bottle. “Designed ...