Liza (center) with her classmate Recently I met an inspiring student: 12-year-old Song Liza, who told me about her goal of becoming a doctor. Her reasoning is simple: one, because the shortage of…

Saroeun Bou |

Credit: Water & Sanitation Program  Cities over the past century have become the driving force of the global economy. Accounting for over half the world’s population and generating around 80%…

Robert C. Brears |

Also available in: Français A public faucet that serves 1, 000 families in el Alto, Bolivia. Photo credit: Stephan Bachenheimer / World Bank Small towns* typically have not been well served by…

Fadel Ndaw |

Also available in: Arabic | French | Spanish In 2015 the world saw great momentum for climate action, culminating in a historic agreement in December to cut carbon emissions and contain global…

Andy Shuai Liu |