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. 

Half of all Nepali girls are married by age 18, but initiatives to change that are showing promise. This video features stories of girls denied an education by child marriage, as well as of girls who are resisting the practice.