Many urban residents these days will find it hard to imagine a life without mobile apps that help us locate a restaurant, hail a cab, or find a subway station—usually in a matter of seconds

Xueman Wang |

Also available in: Russian The “miracle pine, ” a 250-year-old tree that survived the 2011 tsunami in Japan, has been preserved as a memorial to the 19, 000 victims of the disaster. (Photo via…

Ko Takeuchi |

Extremes of wealth and poverty in Dhaka, Bangladesh. (Photo by Laura Elizabeth Pohl / Bread for the World via Flickr CC) Many developing economies have experienced fast growth in recent years.…

Sangmoo Kim, Fen Wei |

  Amina and her family in Dakar, Senegal have a metered private water tap in their yard,   but they don’t use it. (Photo: Sumila Gulyani / World Bank) Amina and her family had recently moved to…

Sumila Gulyani |

Up until recently, if someone asked us what the most important benefits of solid waste management were, we would have said improving public health, reducing greenhouse gas emissions, or helping…

Silpa Kaza, Farouk Banna |