| Enzo Aliaga Rossel | ||
| Prof. Dominic Moran | ||
| Ms. María Ovalle Barros | ||
| Prof. André Pilon | Environmental ethics and philosophy, Law/Environmental policy and law, Behaviour and values | |
| Mr. Kamran Abbas | Animal diversity, Conservation and restoration, Evolution/Extinctions/Genetics and ecology of wild species | Asia-Pacific |
| Dr. Rovshan Abbasov | ||
| Dr. Rovshan Abbasov | ||
| Mr. Awang Noor Abd Ghani | ||
| Amb Ayman Abdel Aziz | Economics (Ecological and environmental economics etc), Governance/Political ecology/Political sciences, Trade | |
| Mr. Ahmat Abdramane | Conservation and restoration, Ecology/Species interactions and interrelationships, Environmental and sustainability sciences | |
| Ms. Norsham Abdul Latip | ||
| Ms. Robin Abell | Americas | |
| Prof. P. C. Abhilash | Agriculture, Environmental and sustainability sciences | Asia-Pacific |
| Prof. Mounir Abi Said | Animal diversity, Conservation and restoration, Natural resource management | Asia-Pacific |
| Dr. Sevil Acar | Climate change, Economics (Ecological and environmental economics etc), Natural resource management | Europe and Central Asia |
| Ms. Sandra Verónica Acebey Quiroga | Ecology/Species interactions and interrelationships, Indigenous and local knowledge, Natural resource management | |
| Dr. David Ackerly | Americas | |
| Mr. Daniel Ackerman | Biogeochemistry, Climate change, Freshwater ecosystems | Americas |
| Dr. Lilibeth Acosta-Michlik | Asia-Pacific | |
| Dr. Lilibeth Acosta-Michlik | ||
| Dr. Nur Azura Adam | Natural resource management, Systematics, taxonomy and phylogenetics | |
| Ms. Cristina Adams | Human ecology and cultural ecology | |
| Ms. Vanessa Marie Adams | Biogeochemistry, Scenarios and/or models | |
| Dr. Byron Adams | Animal diversity, Systematics, taxonomy and phylogenetics, Climate change | |
| Mr. Malkhaz Adeishvili | Europe and Central Asia | |
| Ms. Çigdem Adem | ||
| Mr. Israel Funso Adeniyi | ||
| Mrs. Hafsat Adeyemi | Pollution, Natural resource management, Ecosystem services | |
| Mr. Umut Adigüzel | ||
| Mr. Kossi Adjonou | Ecology/Species interactions and interrelationships, Ecosystem services, Environmental and sustainability sciences | Africa |
| Mr. Constant Yves Yao Adou | ||
| Prof. John Agard | Climate change, Ecosystem services, Environmental and sustainability sciences | |
| Prof. John Agard | Climate change, Ecosystem services, Environmental and sustainability sciences | Americas |
| Mr. Levon Aghasyan | Animal diversity, Conservation and restoration, Terrestrial ecosystems | |
| Mr. Luis Fernando Aguirre | ||
| Prof. A. Alonso Aguirre | Environmental and sustainability sciences, Marine systems | |
| Ms. SoEun Ahn | ||
| Dr. Marcelo Aizen | ||
| Prof. Caroline Akachuku | Ecosystem services, Environmental and sustainability sciences, Evolution/Extinctions/Genetics and ecology of wild species | Africa |
| Dr. Resit Akçakaya | Conservation and restoration, Ecology/Species interactions and interrelationships, Evolution/Extinctions/Genetics and ecology of wild species | |
| Dr. Resit Akçakaya | Conservation and restoration, Ecology/Species interactions and interrelationships, Evolution/Extinctions/Genetics and ecology of wild species | |
| Dr. Felicia Akinyemi | Land and sea use, Land degradation, Environmental and sustainability sciences | |
| Dr. Amani Al Assaf | Asia-Pacific | |
| Ms. Khloud Ahmed Al Hindassi | ||
| Ms. Hiba Obaid Al Shehi | ||
| Mr. Ammar Al-Aulaqi | ||
| Mr. Wilfredo Alangui | ||
| Dr. Issa Musa Albaradeiya | Conservation and restoration, Ecology/Species interactions and interrelationships, Ecosystem services | |
| Prof. Christian Albert | Conservation and restoration, Ecosystem services, Natural resource management | Europe and Central Asia |
| Dr. Alla Aleksanyan | Conservation and restoration, Natural resource management | |
| Dr. Alla Aleksanyan | Conservation and restoration, Natural resource management | |
| Ms. Nevena Alexandrova | ||
| Mr. Bandar Alghamdi | ||
| Mr. Yousef Alhafedh | ||
| Mr. Saleem Ali | ||
| Mr. Rob Alkemade | Agriculture, Ecosystem services, Scenarios and/or models | |
| Mr. Rob Alkemade | Agriculture, Ecosystem services, Scenarios and/or models | |
| Mr. Rashad Allahverdiyev | Agriculture, Conservation and restoration, Ecology/Species interactions and interrelationships | |
| Dr. Christina Allard | Indigenous and local knowledge, Law/Environmental policy and law, Natural resource management | Europe and Central Asia |
| Prof. Jose Rafael Almonte Perdomo | ||
| Dr. Virginia Alonso Roldán | ||
| Fayez Alruwaili | ||
| Prof. Juana Alvarez | ||
| Mr. Jose Alvarez Alonso | ||
| Mr. Daniel Alvarez Latorre | ||
| Eng. Alfredy Álvarez Saavedra | ||
| Mr. Edward Amankwah | ||
| Mr. Sacha Amaruzaman | Ecosystem services, Natural resource management | |
| Dr. Ariane Amin | Economics (Ecological and environmental economics etc), Ecosystem services | |
| Dr. John Amuasi | ||
| Karunatilaka Amunugama | ||
| Dr. Christopher Anderson | Ecology/Species interactions and interrelationships, Environmental and sustainability sciences, Environmental ethics and philosophy | |
| Prof. Germán Andrade | Conservation and restoration, Ecology/Species interactions and interrelationships, Environmental ethics and philosophy | |
| Prof. Germán Andrade | Conservation and restoration, Ecology/Species interactions and interrelationships, Environmental ethics and philosophy | |
| Ms. Mialy Andriamahefazafy | Marine systems, Governance/Political ecology/Political sciences, Law/Environmental policy and law | |
| Dr. Luciano Andriamaro | Animal diversity, Freshwater ecosystems, Natural resource management | Africa |
| Dr. Luciano Andriamaro | Animal diversity, Freshwater ecosystems, Natural resource management | |
| Mr. Thomas Aneni | ||
| Dr. Yaakov Anker | Environmental and sustainability sciences, Land degradation, Soil science | Europe and Central Asia |
| Dr. Michael Ansong | Ecosystem services, Natural resource management | |
| Mr. Jonathan Anticamara | ||
| Mr. Mourad Arabi | ||
| Prof. Alexandra Aragao | Law/Environmental policy and law, Environmental and sustainability sciences, Interdisciplinary studies | |
| Ms. Roxana Aragón | ||
| Mr. Sergio Andrés Aranguren Zaldúa | Governance/Political ecology/Political sciences, Policy making | Americas |
| Dr. Hazel Arceo | ||
| Prof. Emma Archer | Climate change, Environmental and sustainability sciences, Geography | |
| Prof. Emma Archer | Climate change, Environmental and sustainability sciences, Geography | Africa |
| Mr. José Antonio Arenas | ||
| Dr. Mekuria Argaw Denboba | Ecology/Species interactions and interrelationships, Ecosystem services, Environmental and sustainability sciences | |
| Dr. Mekuria Argaw Denboba | Ecology/Species interactions and interrelationships, Ecosystem services, Environmental and sustainability sciences | Africa |
| Focal Point Argentina | ||
| Ms. Eugenia Arguedas Montezuma | ||
| Dr. Paola Arias-Arévalo | ||
| Ms. Clarissa Arida | ||
| Mr. Matías Arim | Americas | |
| Ms. Maria Del Coro Arizmendi Arriaga | ||
| Prof. Raphaël Arlettaz | Conservation and restoration | Europe and Central Asia |
| Prof. Frederick Armah | Environmental and sustainability sciences, Natural resource management | |
| Dr. Dolors Armenteras Pascual | Conservation and restoration, Ecosystem services, Scenarios and/or models | |
| Dr. Dolors Armenteras Pascual | Conservation and restoration, Ecosystem services, Scenarios and/or models | |
| Prof. Almut Arneth | Climate change, Land and sea use, Terrestrial ecosystems | |
| Prof. Almut Arneth | Climate change, Land and sea use, Terrestrial ecosystems | |
| Mr. Sebastian Arnhold | ||
| Ms. Sujata Arora | ||
| Ms. Isabelle Arpin | ||
| Ms. Gabriela Arroyo Robles | Conservation and restoration, Environmental and sustainability sciences, Interdisciplinary studies | |
| Prof. Stanley Asah | Behaviour and values, Conservation and restoration, Ecosystem services | |
| Ms. Adelaide Asante | ||
| Prof. Zemede Asfaw | Conservation and restoration, Ecosystem services, Indigenous and local knowledge | |
| Mr. Achille Ephrem Assogbadjo | Ecology/Species interactions and interrelationships, Ecosystem services, Natural resource management | |
| Ms. Simone Athayde | Environmental and sustainability sciences, Sociology/Environmental sociology and anthropology, Indigenous and local knowledge | |
| Ms. Simone Athayde | Environmental and sustainability sciences, Sociology/Environmental sociology and anthropology, Indigenous and local knowledge | |
| Ms. Yildiz Aumeeruddy Thomas | ||
| Dr. Ainars Aunins | Animal diversity, Conservation and restoration | |
| Mr. Teshome Soromesa Aurgessa | ||
| Dr. Anne Gaelle Ausseil | Agriculture, Ecosystem services, Terrestrial ecosystems | Asia-Pacific |
| Dr. Anne Gaelle Ausseil | Agriculture, Ecosystem services, Terrestrial ecosystems | |
| Mr. Gunnar Austrheim | Plant diversity, Ecosystem services, Environmental and sustainability sciences | Europe and Central Asia |
| Mr. Mersudin Avdibegovic | ||
| Mr. Mersudin Avdibegovic | ||
| Ms. Sophie Avila Foucat | ||
| Mr. Ram Avtar | ||
| Dr. Jan Axmacher | Ecosystem services, Natural resource management | Asia-Pacific |
| Ms. Barbara Ayala Orozco | ||
| Dr. Cem İskender AYDIN | Economics (Ecological and environmental economics etc), Governance/Political ecology/Political sciences | |
| Mr. Miguel Aymerich Huyghues Despointes | ||
| Dr. Fredrick Ayuke | Africa | |
| Ms. Nadine Azzu | ||
| Dr. Moussa Ba | ||
| BEYALA Joséphine Thérese Babette épouse ELOUNDOU | Natural resource management, Ecosystem services | |
| Mr. Sven Bacher | Ecology/Species interactions and interrelationships, Ecosystem services | |
| Dr. Ruchi Badola | Economics (Ecological and environmental economics etc), Indigenous and local knowledge, Natural resource management | Asia-Pacific |
| Mr. Mikhail Bagaturov | ||
| Prof. Xuemei Bai | Environmental and sustainability sciences, Geography, Climate change | |
| Prof. Xuemei Bai | Environmental and sustainability sciences, Geography, Climate change | |
| Dr. Sujit Bajpayee | ||
| Prof. Susan Baker | Law/Environmental policy and law, Policy making, Governance/Political ecology/Political sciences | Europe and Central Asia |
| Dr. Ganesan Balachander | Ecology/Species interactions and interrelationships, Ecosystem services, Environmental and sustainability sciences | |
| Dr. András Báldi | Conservation and restoration, Ecosystem services, Interdisciplinary studies | Europe and Central Asia |
| Ms. Lenke Balint | Conservation and restoration, Ecosystem services, Indigenous and local knowledge | |
| Mr. Juraj Balkovic | Agriculture, Climate change, Biogeochemistry | |
| Mr. Fata Komla Baloukou | ||
| Prof. Patricia Balvanera | Ecosystem services, Environmental and sustainability sciences, Interdisciplinary studies | |
| Ms. Sarah Banda Genchev | ||
| Ms. Maria Baptiste | Evolution/Extinctions/Genetics and ecology of wild species, Trade | Americas |
| Ms. Brigitte Baptiste | Indigenous and local knowledge, Behaviour and values, Policy making | Americas |
| Mr. Aliyu Salisu Barau | Africa | |
| Dr. Francisco Barbaran | ||
| Dr. Olga Barbosa | Conservation and restoration, Ecosystem services, Policy making | Americas |
| Ms. Nichole Barger | ||
| Ms. Nichole Barger | ||
| Eng. Sossa Barnabé | Agriculture, Conservation and restoration | |
| David Barnes | Marine systems, Ecosystem services, Ecology/Species interactions and interrelationships | |
| Ms. María Paula Barral | Agriculture, Ecosystem services, Environmental and sustainability sciences | Americas |
| Prof. Elizabeth Barron | Indigenous and local knowledge, Governance/Political ecology/Political sciences, Science and technology studies | |
| Dr. David N. Barton | ||
| Mr. Detlef Bartsch | Climate change | |
| Dr. Ann Bartuska | ||
| Prof. Senka Barudanovic | ||
| Prof. Senka Barudanovic | ||
| Ms. Esra Basak | Ecosystem services, Law/Environmental policy and law, Natural resource management | |
| Dr. Md Zeenatul Basher | ||
| Mr. Ivar Andreas Baste | ||
| Dr. Peter Bates | ||
| Mr. Nnyaladzi Batisani | Africa | |
| Prof. Kamal Bawa | ||
| Dr. Buuveibaatar Bayarbaatar | Conservation and restoration, Ecology/Species interactions and interrelationships, Evolution/Extinctions/Genetics and ecology of wild species | |
| Dr. Douglas Beard | ||
| Dr. Douglas Beard | ||
| Silvia Beatriz Vazquez | ||
| Dr. Silke Beck | Governance/Political ecology/Political sciences, Science and technology studies | |
| Mr. Mauricio Bedoya Gaitán | Americas | |
| Dr. Mohamed Behnassi | Law/Environmental policy and law, Governance/Political ecology/Political sciences, Policy making | |
| Ms. Györgyi Bela | Europe and Central Asia | |
| Prof. Andrea Belgrano | Ecology/Species interactions and interrelationships, Marine systems | |
| Ms. Dyhia Belhabib | Africa | |
| Mr. Juan Carlos Bello Silva | ||
| Mariana Bellot | Conservation and restoration, Law/Environmental policy and law | |
| Ms. Jayne Belnap | Biogeochemistry, Conservation and restoration, Ecology/Species interactions and interrelationships | Americas |
| Mr. Mohamed Ali Ben Temessek | Ecology/Species interactions and interrelationships, Marine systems, Natural resource management | |
| Dr. Zsófia Benedek | ||
| Mr. Hesiquio Benítez Díaz | ||
| Ms. Nard Bennas | Freshwater ecosystems, Evolution/Extinctions/Genetics and ecology of wild species, Systematics, taxonomy and phylogenetics | Africa |
| Ms. Elena Bennett | Americas | |
| Dr. Fikret Berkes | ||
| Dr. Pam Berry | Climate change, Ecosystem services, Terrestrial ecosystems | |
| Betsy Beymer Farris | Climate change, Environmental and sustainability sciences, Indigenous and local knowledge | Africa |
| Dr. Shonil Bhagwat | ||
| Dr. Rawewan Bhuridej | ||
| Prof. Jacobus Christiaan Biesmeijer | ||
| Ms. Reinette Biggs | ||
| Dr. Duan Biggs | ||
| Dr. Mohamed Bin Daina | ||
| Francis Bisong | Conservation and restoration, Geography | |
| Dr. Robert Bitariho | Economics (Ecological and environmental economics etc), Ecology/Species interactions and interrelationships, Environmental and sustainability sciences | |
| Ms. Maka Bitsadze | ||
| Ms. Elvire Biye | ||
| Prof. Nelio Bizzo | History/Environmental history, Evolution/Extinctions/Genetics and ecology of wild species | |
| Ms. Diann Black Layne |