Related by context. Frequent words. (Click for all words.) 67 Wangari Maathai 59 Maathai 53 Nobel Peace Prize Laureate 48 Archbishop Desmond Tutu 47 Adolfo Perez Esquivel 47 Previous recipients 47 Professor Muhammad Yunus 46 Nobel Peace Prize laureates 46 Nobel Peace Laureate 46 Vandana Shiva 45 Right Livelihood Award 44 Desmond Tutu 44 laureates 44 Nobel Prize Winner 44 winner Muhammad Yunus 44 Archbishop Emeritus Desmond Tutu 43 chairman Ole Danbolt 43 Nobel Peace laureates 43 Jane Goodall 43 Bishop Desmond Tutu 42 Richard Leakey 42 Nobel peace 42 Holocaust survivor Elie Wiesel 42 Nobel Laureates 42 Majora Carter 41 Nobel Prize laureates 41 Environmental Programme UNEP 41 Dennis Brutus 41 Nobel Prize winners 41 Sheila Watt Cloutier 41 Jane Goodall Institute 40 author Toni Morrison 40 Mohammad Yunus 40 Nadine Gordimer 40 TWAS 40 environmentalist 40 biodiversity 40 Joaquim Chissano 39 Nobel Peace Prize laureate 39 Nobel laureates 39 Imprisoned Nobel Peace Prize 39 Nobel Laureate 39 Nobel Peace 39 Ngongo 39 Alan Paton 39 conservationist 39 conserve biodiversity 39 Archbishop Tutu 38 prize laureate 38 African Archbishop Desmond 38 Awardees 38 Ecoterra International 38 Graca Machel 38 Nobel laureate 38 honorary doctorates 38 Julia Butterfly 38 Earthwatch 38 conserving biodiversity 38 President Benjamin Mkapa 37 Maude Barlow 37 Sakharov Prize 37 Biodiversity 37 Elinor Ostrom 37 Biodiversity Conservation 37 Machel 37 icon Nelson Mandela 37 peace laureate 37 Laureates 37 Elie Wiesel 37 Botanist 37 MacArthur Fellow 37 planting trees 37 Peter Agre 36 Tutu 36 Nobel Peace Laureates 36 Environmentalist 36 Yvonne Chaka Chaka 36 Angelique Kidjo 36 forest ecologist 36 Terry Tamminen 36 Festus Mogae 36 Distinguished Teaching 35 Ecologist 35 Watt Cloutier 35 Joachim Chissano 35 agriculturalist 35 Nobel citation 35 biodiversity conservation 35 actress Daryl Hannah 35 laureate Desmond Tutu 35 Archbishop Emeritus 35 laureate Aung San 35 FW De Klerk 35 campaigner Al Gore 35 actor Don Cheadle 35 climate change 35 Magsaysay Award 35 honorary doctorate degrees 35 Vaclav Havel 35 dissident Hu Jia 35 Philippe Cousteau