The UN-Environment and UN-Habitat programs are headquartered in this city next to the urban Karura Forest, which environmentalists have sought to protect from development and land grabs. The Ngong Hills south of this city are a popular hiking spot that overlook a national park named for it. The Green Belt Movement seeks to (15[1])protect this city’s environs and was founded by Nobel winner (*) Wangari (10[3])Maathai, who led protests at this city’s Uhuru (10[1])Park. This city contains the massive informal neighborhood of Kibera, as well as the rebuilt luxury Westgate Mall that was previously damaged in a 2013 attack by al-Shabaab. This city’s rapid growth from a British colonial railway depot displaced indigenous Masaai inhabitants and led it to outgrow its country’s port of (-5[1])Mombasa. For 10 points, name this capital of Kenya. (10[1])■END■