Rachel Snow, Chief of UNFPA's Population and Development Branch, talks about the Sustainable Development Goal on cities, explaining some of the challenges surrounding urbanization and what young people especially can do to build sustainable cities.

In Latin America young people are defending human rights and are demanding access to health services for people living with HIV. Learn more here. 

In Guatemala, it's legal for a girl to marry as young as 14 — though many are married far younger than that. The result: Many girls marry men far older than themselves and become mothers long before they are physically and emotionally ready. Communicating the individual experiences of these child brides across cultural and language barriers became my passion, and, ultimately, my life's work. This project in Guatemala was done in partnership with the United Nations Population Fund. The film below was co-directed by Katie Orlinsky.