Related by context. Frequent words. (Click for all words.) 59 Lake Kivu 59 Great Rift Valley 58 Lake Tanganyika 54 Zambezi River 52 Rift Valley 52 Turkana 50 Tana River 48 Maasai 47 Gambella 46 Samburu 46 Serengeti 46 Athabasca River 46 Nile Basin 46 Mount Elgon 46 Virunga 45 Zambezi 45 Mandera 45 glaciers 45 Pemba 45 Ethiopia 45 Dead Sea 44 Masai Mara 44 Mt Elgon 44 Tanzania 44 Indus river 44 Sunderbans 44 hydro electric power 44 Uganda 43 Nakuru 43 hydropower dams 43 Karamoja 43 Omo 43 Arusha 43 Yangtze 43 hydropower 43 Mzee 43 Kenya 43 Nairobi 42 Svalbard 42 Lake Titicaca 42 DR Congo 42 pastoralists 42 Tanzanian 42 Burundi 42 Nile 42 Amboseli 42 Kavango 42 Volta River 42 hydro electric 42 Aral Sea 42 Lamu 42 Sundarbans 42 Malindi 42 Ganges 42 Ndung'u 42 freshwater lake 41 Isiolo 41 glacier 41 Naivasha 41 Equatorial 41 Arctic Ocean 41 Masai 41 Sahara desert 41 fjord 41 rivers 41 KWS 41 Marsabit 41 headwaters 41 Kilifi 41 Baringo 41 Kisumu 41 Hydropower 41 Three Gorges 40 hydrological 40 Amazon rainforest 40 Kisii 40 Ngong 40 highlands 40 lake 40 lakes 40 Virunga National 40 Yangtze river 40 Greenland 40 mountain gorillas 40 Moray Firth 40 hydroelectric 40 Indus River 40 Mekong River 40 Wajir 40 melting glaciers 40 Kiswahili 40 mountain glaciers 40 Safaricom 40 Kariba 40 pastoralist 40 hydroelectric dam 40 Teesta 40 Lake Baikal 39 freshwater 39 Beaufort Sea 39 boreal forest