Emma Archer, Prof.

Pro­fes­sor Archer is a ge­o­g­ra­ph­er, work­ing on sus­tain­able agri­cul­ture/man­aged ecosys­tems and cli­mate in Africa. She is an As­so­ci­ate Pro­fes­sor in Ge­og­ra­phy and En­vi­ron­men­tal Stud­ies at the Uni­ver­si­ty of Pre­to­ria, and is cur­rent­ly the Act­ing Di­rec­tor of the Cen­tre for En­vi­ron­men­tal Stud­ies.

Af­ter her PhD at Clark Uni­ver­si­ty in the north­east­ern US, she un­der­took a NOAA Glob­al & Cli­mate Change post­doc­tor­al fel­low­ship at the In­ter­na­tion­al Re­search In­sti­tute for Cli­mate Pre­dic­tion (IRI) at Co­lum­bia Uni­ver­si­ty in New York; co-host­ed by the Penn­syl­va­nia State Uni­ver­si­ty.  Her re­search fo­cus is on dry­lands, with ex­pe­ri­ence through­out the SADC re­gion and on the con­ti­nent.  Amongst oth­er du­ties, she has served as a co-chair of the In­ter­gov­ern­men­tal Pan­el on Bio­di­ver­si­ty and Ecosys­tem Ser­vices Africa As­sess­ment (www.ipbes.net), as a Co­or­di­nat­ing Lead Au­thor (CLA) on the Forests and Wa­ter As­sess­ment of the Glob­al Forestry Ex­pert Pan­els (GFEP), as a Re­view Ed­i­tor on GEO-6; and she is cur­rent­ly an As­so­ci­ate Ed­i­tor for the jour­nal Weath­er, Cli­mate and So­ci­ety,  and a Cli­mate Change Chan­nel Ed­i­tor for PLOS (www.plos.org).  

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Eduardo S. Brondizio, Prof.

Ed­uar­do S. Bron­dizio is Dis­tin­guished Pro­fes­sor of An­thro­pol­o­gy, De­part­ment of An­thro­pol­o­gy, In­di­ana Uni­ver­si­ty Bloom­ing­ton, USA, where he al­so di­rects the Cen­ter for the Analy­sis of So­cial-Eco­log­i­cal Land­scapes (CASEL).

Com­mit­ted for three decades to field-based re­search on hu­man-en­vi­ron­ment in­ter­ac­tion and so­cial-en­vi­ron­men­tal change in the Ama­zon re­gion, Bron­dizio has al­so con­tributed to sev­er­al re­gion­al and glob­al as­sess­ments. Bron­dizio has served on nu­mer­ous in­ter­na­tion­al sci­en­tif­ic bod­ies and as Co-Chair of the Glob­al As­sess­ment of Bio­di­ver­si­ty and Ecosys­tem Ser­vices (2016-2019) of the In­ter-gov­ern­men­tal Sci­ence-Pol­i­cy Plat­form on Bio­di­ver­si­ty and Ecosys­tem Ser­vices (IPBES). Bron­dizio serves as Co-Ed­i­tor-in-Chief of Cur­rent Opin­ion on En­vi­ron­men­tal Sus­tain­abil­i­ty [El­se­vi­er].

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Odette Curtis, Dr.

Dr. Odette Cur­tis holds a PhD (2013) in Botany from the Uni­ver­si­ty of Cape Town (UCT), an MSc Zo­ol­o­gy (2005) and a B-Tech in Na­ture Con­ser­va­tion (CPUT). Odette man­aged the Black Har­ri­er & Black Spar­rowhawk Pro­jects from 2000-2006 at UCT; un­der­took a pi­lot study on game­birds in Renos­ter­veld (2007) and was con­tract­ed by Cape­Na­ture’s Stew­ard­ship Pro­gramme from 2007-2011.

In 2012, she start­ed the Over­berg Renos­ter­veld Con­ser­va­tion Trust (OR­CT, www.over­ber­grenos­ter­veld.org.za), an NPO ded­i­cat­ed to se­cur­ing the last rem­nants and cor­ri­dors of re­main­ing Renos­ter­veld in the Over­berg for con­ser­va­tion. Odette has served on the board of the Breede-Gouritz Catch­ment Man­age­ment Agency ; the Fyn­bos Fo­rum Com­mit­tee; the West­ern Cape Field Tri­al Club Com­mit­tee and the Com­mit­tee of the Botan­i­cal So­ci­ety’s south­ern Over­berg branch.Odette has dis­cov­ered sev­er­al plant species new to sci­ence in Renos­ter­veld, two of which has been named af­ter her. In 2014, she re­ceived both the Flo­ra Con­ser­va­tion Award from the South African Botan­i­cal So­ci­ety, and the CAPE Fyn­bos Con­ser­va­tion Award for ‘her pas­sion, ded­i­ca­tion and in­no­v­a­tive ap­proach to­wards the con­ser­va­tion of crit­i­cal­ly en­dan­gered bio­di­ver­si­ty.’

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Sandra Díaz, Prof.

San­dra Díaz is in­ter­est­ed in plant func­tion­al traits and gen­er­al pat­terns of func­tion­al spe­cial­iza­tion, their ef­fects on ecosys­tem prop­er­ties and their in­ter­ac­tions with glob­al change dri­vers.

She con­struct­ed the first glob­al quan­ti­ta­tive pic­ture of es­sen­tial func­tion­al di­ver­si­ty of vas­cu­lar plants –the glob­al spec­trum of plant form and func­tion- pro­vid­ing a back­drop for evo­lu­tion­ary, eco­log­i­cal and bio­geo­chem­i­cal mod­el­ling stud­ies. She has ad­vanced the­o­ry and prac­ti­cal im­ple­men­ta­tion of the con­cept of func­tion­al di­ver­si­ty and its ef­fects on ecosys­tem prop­er­ties and ben­e­fits. She com­bines her plant ecol­o­gy stud­ies with in­ter­dis­ci­pli­nary work on how dif­fer­ent so­ci­eties val­ue and re­con­fig­ure bi­o­log­i­cal com­mu­ni­ties and ecosys­tems. San­dra is a Pro­fes­sor of Ecol­o­gy at Cór­do­ba Na­tion­al Uni­ver­si­ty, and a se­nior mem­ber of the Na­tion­al Re­search Coun­cil of Ar­genti­na. She found­ed Nú­cleo Di­ver­Sus on Di­ver­si­ty and Sus­tain­abil­i­ty, and co-found­ed the Glob­al Com­mu­nal Plant Trait Ini­tia­tive TRY. She co-chaired the Glob­al As­sess­ment of the In­ter­gov­ern­men­tal Plat­form on Bio­di­ver­si­ty and Ecosys­tem Ser­vices. She is a mem­ber of the Acad­e­mies of Sci­ence of Ar­genti­na, USA, France, and the De­vel­op­ing World, and a For­eign Mem­ber of the Roy­al So­ci­ety. She has been was award­ed the Coz­zarel­li Prize (2008), the Mar­galef Prize in Ecol­o­gy (2017), the Senck­en­berg Award for Na­ture Re­search (2019), the Gun­nerus Award in Sus­tain­abil­i­ty Sci­ence (2019), and the Princess of As­turias Award for Sci­ence (2019).

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Benis Egoh, Dr.

Dr Be­nis Egoh is an as­sis­tant pro­fes­sor at the De­part­ment of Earth Sys­tem Sci­ence, Uni­ver­si­ty of Cal­i­for­nia, Irvine (UCI). She holds a Mas­ter de­gree in Con­ser­va­tion Bi­ol­o­gy from the Uni­ver­si­ty of Cape Town and a PhD in Zo­ol­o­gy from Stel­len­bosch Uni­ver­si­ty.

Be­fore join­ing UCI, she worked for the CSIR in South Africa as a prin­ci­pal re­searcher and the Eu­ro­pean Com­mis­sion dur­ing which she con­tributed to var­i­ous pol­i­cy im­ple­men­ta­tion tasks in­clud­ing the de­vel­op­ment of a frame­work for map­ping and as­sess­ment of ecosys­tem ser­vices which is be­ing used by EU mem­ber states. Be­nis’ area of in­ter­est lies in gen­er­at­ing re­search out­puts on bio­di­ver­si­ty and ecosys­tem ser­vices that are rel­e­vant for pol­i­cy im­ple­men­ta­tion. These in­cludes the iden­ti­fi­ca­tion of pri­or­i­ty ar­eas for con­ser­va­tion ac­tions such as restora­tion and pro­tec­tion. She is a C1 rat­ed re­searcher in South Africa, a lead au­thor of the IPBES African as­sess­ment and an ex­ec­u­tive mem­ber of ESP.

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Lenore Fahrig, Prof.
Lenore Fahrig is Chan­cel­lor's Pro­fes­sor in the De­part­ment of Bi­ol­o­gy at Car­leton Uni­ver­si­ty, Ot­tawa, Cana­da, and a Fel­low of the Roy­al So­ci­ety of Cana­da. Fahrig and her stu­dents study the ef­fects of habi­tat loss, habi­tat frag­men­ta­tion, roads and traf­fic, agri­cul­tur­al in­ten­si­fi­ca­tion, and ur­ban­iza­tion on bio­di­ver­si­ty.
Workineh Kelbessa, Prof.

Workineh Kelbessa is Pro­fes­sor of Phi­los­o­phy at Ad­dis Aba­ba Uni­ver­si­ty, Ethiopia. He holds a PhD in Phi­los­o­phy from the Uni­ver­si­ty of Wales, Cardiff, now Cardiff Uni­ver­si­ty, Unit­ed King­dom, an MA in de­vel­op­ment stud­ies from the In­ter­na­tion­al In­sti­tute of So­cial Stud­ies of Eras­mus Uni­ver­si­ty Rot­ter­dam, the Nether­lands and a BA in Phi­los­o­phy from Ad­dis Aba­ba Uni­ver­si­ty.

At Ad­dis Aba­ba Uni­ver­si­ty, he was the chair of Phi­los­o­phy De­part­ment from 2001 to 2004, 2006 to 2007 and 2016 to 2019. Kelbessa has re­ceived sev­er­al re­search grants, and au­thored 2 books, over fif­teen peer-re­viewed re­search ar­ti­cles across a wide spec­trum of jour­nals, 2 en­cy­clo­pe­dia ar­ti­cles, twen­ty-sev­en book chap­ters, 1 re­search re­port, and two re­views in the fields of en­vi­ron­men­tal ethics, de­vel­op­ment ethics, cli­mate ethics, African phi­los­o­phy, glob­al­iza­tion, phi­los­o­phy of love and sex, and in­dige­nous knowl­edge. He is a mem­ber of UN­ESCO’s World Com­mis­sion on the Ethics of Sci­en­tif­ic Knowl­edge and Tech­nol­o­gy, and the In­ter­na­tion­al Pan­el on So­cial Progress. Kelbessa was al­so a re­search fel­low of the Alexan­der von Hum­boldt Foun­da­tion based at the In­sti­tute of Botan­ic and Land­scape Ecol­o­gy of the Uni­ver­si­ty of Greif­swald, Ger­many, from 2007 to 2008 and in 2015, he re­turned to Ger­many on sab­bat­i­cal as a re­cip­i­ent of an Alexan­der von Hum­boldt Foun­da­tion Re­turn Fel­low­ship. He con­duct­ed his re­search at the Fo­rum Sci­en­tiarum of the Eber­hard Karls Uni­ver­si­ty Tübin­gen. Cur­rent­ly, he is a Vis­it­ing Hum­boldt Re­search Fel­low at the In­ter­na­tion­al Cen­tre for Ethics in the Sci­ences and Hu­man­i­ties of the Eber­hard Karls Uni­ver­si­ty Tübin­gen, Ger­many.

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Andrew Light, Prof.

An­drew Light is Uni­ver­si­ty Pro­fes­sor of Pub­lic Pol­i­cy, Phi­los­o­phy, and At­mos­pher­ic Sci­ences at George Ma­son Uni­ver­si­ty, and Dis­tin­guished Se­nior Fel­low in the Cli­mate Pro­gram at the World Re­sources In­sti­tute, in Wash­ing­ton, D.C.  From 2013-2016 he served as Se­nior Ad­vis­er and In­dia Coun­selor to the U.S. Spe­cial En­voy on Cli­mate Change, work­ing on the se­nior strat­e­gy team for the UN cli­mate ne­go­ti­a­tions.

In recog­ni­tion of this ser­vice, An­drew shared in a Su­pe­ri­or Hon­or Award from the U.S. De­part­ment of State for his work cre­at­ing and ne­go­ti­at­ing the Paris Agree­ment.  An­drew is the au­thor of over 100 ar­ti­cles and book chap­ters, pri­mar­i­ly on cli­mate change, restora­tion ecol­o­gy, and ur­ban sus­tain­abil­i­ty, and has au­thored, co-au­thored, and edit­ed 19 books, in­clud­ing En­vi­ron­men­tal Val­ues (2008), Moral and Po­lit­i­cal Rea­son­ing in En­vi­ron­men­tal Prac­tice (2003), and En­vi­ron­men­tal Prag­ma­tism (1996).  He is cur­rent­ly serv­ing on a U.S. Na­tion­al Acad­e­mies of Sci­ence Pan­el on re­search and gov­er­nance of so­lar geo­engi­neer­ing.

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Markku Oksanen, Dr.

Markku Ok­sa­nen earned his PhD de­gree in phi­los­o­phy in 1998 from Uni­ver­si­ty of Turku. From 2002 he has been teach­ing phi­los­o­phy at the Uni­ver­si­ty of East­ern Fin­land, ex­cept be­tween 2009-2014 when he was on leave as the Acad­e­my Re­search Fel­low.

He al­so con­duct­ed doc­tor­al stud­ies at Cardiff Uni­ver­si­ty (1992-93) and post-doc stud­ies at Lan­cast­er Uni­ver­si­ty (2000) and made some short­er re­search vis­its to the Nether­lands, Cana­da, Great Britain and the USA. Ok­sa­nen has co-edit­ed three vol­umes, Phi­los­o­phy and Bio­di­ver­si­ty (Cam­bridge Uni­ver­si­ty Press, 2004), The Ethics of An­i­mal Re-cre­ation and Mod­i­fi­ca­tion: Re­viv­ing, Rewil­d­ing, Restor­ing (Pal­grave 2014) and En­vi­ron­men­tal Hu­man Rights: A Po­lit­i­cal The­o­ry Per­spec­tive (Rout­ledge 2018). His ar­ti­cles has been pub­lished in many an­tholo­gies and pe­ri­od­i­cals, such as Am­bio, En­vi­ron­men­tal Val­ues, En­vi­ron­men­tal Pol­i­tics, Ethics, En­vi­ron­ment and Pol­i­cy, and Eth­i­cal Per­spec­tives. His re­search in­ter­est cov­er broad­ly the fields of en­vi­ron­men­tal ethics and green po­lit­i­cal the­o­ry, in­clud­ing en­vi­ron­men­tal hu­man rights and rights of na­ture, and emerg­ing philo­soph­i­cal and eth­i­cal is­sues in bio­di­ver­si­ty con­ser­va­tion and glob­al warm­ing (e.g. de-ex­tinc­tion, as­sist­ed mi­gra­tion, rewil­d­ing, cli­mate mi­gra­tion).

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Unai Pascual, Prof.
Prof. Un­ai Pas­cual grad­u­at­ed in eco­nom­ics from the Uni­ver­si­ty of the Basque Coun­try (1996), ob­tained his Mas­ter in en­vi­ron­men­tal eco­nom­ics from the Uni­ver­si­ty of York, UK (1997) and his PhD in En­vi­ron­men­tal Eco­nom­ics in 2002 al­so from the Uni­ver­si­ty of York.

Af­ter lec­tur­ing at the Uni­ver­si­ty of Man­ches­ter (2000-2002) he moved to the Uni­ver­si­ty of Cam­bridge (2002-2011). Since 2011 he is Iker­basque (Basque Foun­da­tion for Sci­ence) Re­search Pro­fes­sor at the Basque Cen­tre for Cli­mate Change (BC3). From 2015 to 2018 he was mem­ber of the mul­ti­dis­ci­pli­nary ex­pert pan­el (MEP) of IPBES, be­ing in­volved in var­i­ous as­sess­ment man­age­ment com­mit­tees, lead au­thor of the Glob­al As­sess­ment (2018) and cur­rent­ly co-Chair of the Val­ues As­sess­ment (2018-2021). He is co-Chair of the Nat­ur­al As­sets Knowl­edge Ac­tion Net­work of Fu­ture Earth, and mem­ber of the sci­en­tif­ic steer­ing com­mit­tee of the Glob­al Land Pro­gramme and ecoSER­VICES (al­so of Fu­ture Earth) as well as mem­ber of var­i­ous in­ter­na­tion­al ad­vi­so­ry com­mit­tees such as of Bio­di­vER­sA, the net­work of na­tion­al and re­gion­al fund­ing or­gan­i­sa­tions pro­mot­ing pan-Eu­ro­pean re­search on bio­di­ver­si­ty and ecosys­tem ser­vices.

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Pragati Sahni, Dr.

Pra­gati Sah­ni is As­so­ci­ate Pro­fes­sor of Phi­los­o­phy at the Uni­ver­si­ty of Del­hi. She com­plet­ed her PhD from the Uni­ver­si­ty of Lon­don and has been a com­mon­wealth schol­ar. She was ap­point­ed Vis­it­ing Pro­fes­sor of In­di­an Stud­ies at Car­leton Uni­ver­si­ty, Ot­tawa, Cana­da for the win­ter term in 2016.

Her ar­eas of in­ter­est in­clude en­vi­ron­men­tal phi­los­o­phy and Bud­dhist ethics. She is the au­thor of En­vi­ron­men­tal Ethics in Bud­dhism: A Virtues Ap­proach and has co-edit­ed Un­der­stand­ing Ethics.

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Andy Purvis, Prof.
Andy Purvis is a Re­search Leader and In­di­vid­ual Mer­it Re­searcher at the Nat­ur­al His­to­ry Mu­se­um in Lon­don. His group’s re­search most­ly us­es sta­tis­ti­cal mod­el­ling of large, het­eroge­nous da­ta com­pi­la­tions to tack­le a wide range of ques­tions in con­ser­va­tion, ecol­o­gy and evo­lu­tion. He leads the PRE­DICTS (Pro­ject­ing Re­spons­es of Eco­log­i­cal Di­ver­si­ty In Chang­ing Ter­res­tri­al Sys­tems) project, which mod­els glob­al­ly how land use and re­lat­ed pres­sures im­pact lo­cal ter­res­tri­al bio­di­ver­si­ty and projects from these mod­els to in­fer past, present and pos­si­ble fu­ture bio­di­ver­si­ty. Among oth­er find­ings, PRE­DICTS showed that we have crossed the pro­posed plan­e­tary bound­ary for bio­di­ver­si­ty, but that pro­tect­ed ar­eas re­tain high­er lo­cal bio­di­ver­si­ty than un­pro­tect­ed sites, and that the land-use changes in the dif­fer­ent Shared So­cioe­co­nom­ic Path­way sce­nar­ios will cause di­ver­gent tra­jec­to­ries for bio­di­ver­si­ty. He was a Co­or­di­nat­ing Lead Au­thor on the IPBES Glob­al As­sess­ment, and was award­ed the Marsh Award for Ecol­o­gy by the British Eco­log­i­cal So­ci­ety in 2019.
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Fabio Rubio Scarano, Prof.

Fabio Ru­bio Scara­no was born in Rio de Janeiro, Brazil, where he is Pro­fes­sor of Ecol­o­gy at the Fed­er­al Uni­ver­si­ty of Rio de Janeiro, since 1993. He has a de­gree in Forestry from the Uni­ver­si­ty of Brasília and a Ph.D. in Ecol­o­gy from the Uni­ver­si­ty of St. An­drews, Scot­land.

Fabio has worked for pri­vate com­pa­nies in the forestry sec­tor in Brazil, and for the Brazil­ian gov­ern­ment he held po­si­tions in the Min­istry of Ed­u­ca­tion (2005-2011) and Min­istry of En­vi­ron­ment (2007-2009), when he was Sci­ence Di­rec­tor of the Botan­i­cal Gar­dens of Rio de Janeiro. He has al­so been a Se­nior Vice-Pres­i­dent at the NGO Con­ser­va­tion In­ter­na­tion­al (CI; 2009-2015) and Ex­ec­u­tive Di­rec­tor of the Brazil­ian Foun­da­tion for Sus­tain­able De­vel­op­ment (FBDS; 2015-2018). He has been a lead au­thor in the lat­est re­ports of the Unit­ed Na­tions’ pan­els on cli­mate change (IPCC) and bio­di­ver­si­ty (IPBES), and in Brazil’s cli­mate change pan­el (PBMC). Since 2015, he is one of the co­or­di­na­tors of the Brazil­ian Plat­form on Bio­di­ver­si­ty and Ecosys­tem Ser­vices (BPBES). His sci­en­tif­ic pub­li­ca­tions and books are re­lat­ed to cli­mate change adap­ta­tion, sus­tain­abil­i­ty sci­ence, sci­ence-pol­i­cy in­ter­face, and bio­di­ver­si­ty con­ser­va­tion. His cur­rent top­ic of in­ter­est is Ga­ia, as a holo­biont, and the re­la­tion­ships be­tween its com­po­nents: the at­mos­phere, the bios­phere, the tech­nos­phere and the noos­phere.

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Rashid Sumaila, Prof.

Dr. Rashid Sumaila is Pro­fes­sor and Cana­da Re­search Chair in In­ter­dis­ci­pli­nary Oceans and Fish­eries Eco­nom­ics at the In­sti­tute for the Oceans and Fish­eries & School of Pub­lic Pol­i­cy and Glob­al Af­fairs, the Uni­ver­si­ty of British Co­lum­bia.

He spe­cial­izes in bioe­co­nom­ics, ma­rine ecosys­tem val­u­a­tion and the analy­sis of glob­al is­sues such as fish­eries sub­si­dies, il­le­gal fish­ing, cli­mate change and oil spills. Sumaila is wide­ly pub­lished and cit­ed. He is on the Ed­i­to­r­i­al Boards of sev­er­al jour­nals, in­clud­ing Sci­ence Ad­vances, Sci­en­tif­ic Re­ports and En­vi­ron­men­tal & Re­source Eco­nom­ics. He is win­ner of sev­er­al awards, e.g., the 2018 UBC Pres­i­den­t's Award for Pub­lic Ed­u­ca­tion Through Me­dia; the 2017 Vol­vo En­vi­ron­ment Prize; the 2017 Bench­ley Oceans Award in Sci­ence and the 2016 UBC Kil­lam Re­search Prize, Sumaila was named a Hokkai­do Uni­ver­si­ty Am­bas­sador in 2016. He has giv­en talks at the UN Rio+20, the WTO, the White House, the Cana­di­an Par­lia­ment, the African Union, the St James Palace, and the British House of Lords.

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Jens-Christian Svenning, Prof.

Pro­fes­sor Sven­ning re­ceived his PhD in trop­i­cal ecol­o­gy in 1999. He has since then worked broad­ly in ecol­o­gy and bio­geog­ra­phy, with par­tic­u­lar in­ter­est in the ba­sic mech­a­nisms un­der­ly­ing bio­di­ver­si­ty dy­nam­ics and eco­log­i­cal com­mu­ni­ty as­sem­bly, bio­di­ver­si­ty-cli­mate re­la­tions, the ecol­o­gy and di­ver­si­ty of trees and megafau­na, and in hu­man-bio­di­ver­si­ty re­la­tions from pre­his­tor­i­cal times to the fu­ture.

Giv­en our cur­rent An­thro­pocene chal­lenges and the bio­di­ver­si­ty and cli­mate change crises in par­tic­u­lar, pro­fes­sor Sven­ning has cou­pled his fun­da­men­tal re­search to ap­plied re­search in con­ser­va­tion, restora­tion and rewil­d­ing, and in eco­log­i­cal fore­cast­ing and re­mote-sens­ing-based mon­i­tor­ing, as well as de­vel­oped a re­search agen­da on the ecol­o­gy of the hu­man species and our clos­est rel­a­tives. Pro­fes­sor Sven­ning is cur­rent­ly di­rec­tor for the Cen­ter for Bio­di­ver­si­ty Dy­nam­ics in a Chang­ing World (BIOCHANGE) at Aarhus Uni­ver­si­ty.

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David Tilman, Prof.

David Tilman is Re­gents Pro­fes­sor and McK­night Pres­i­den­tial Chair in Ecol­o­gy at the Uni­ver­si­ty of Min­neso­ta, and Dis­tin­guished Pro­fes­sor in the Bren School of En­vi­ron­men­tal Sci­ence and Man­age­ment at the Uni­ver­si­ty of Cal­i­for­nia San­ta Bar­bara. Tilman is an ex­per­i­men­tal and the­o­ret­i­cal ecol­o­gist whose long-term ex­per­i­ments and re­lat­ed the­o­ry showed that, and why, bio­di­ver­si­ty is a ma­jor de­ter­mi­nant of ecosys­tem sta­bil­i­ty, pro­duc­tiv­i­ty, car­bon stor­age and sus­cep­ti­bil­i­ty to in­va­sion.

Much of his re­cent work fo­cus­es on agri­cul­ture, and seeks ways to pre­serve bio­di­ver­si­ty and pre­vent ex­tinc­tions while still pro­vid­ing se­cure and healthy di­ets for all the peo­ple of the Earth. David Tilman is a mem­ber of the Na­tion­al Acad­e­my of Sci­ence and the Amer­i­can Acad­e­my of Arts and Sci­ences, and a for­eign mem­ber of the UK’s Roy­al So­ci­ety. Oth­er recog­ni­tion in­cludes the In­ter­na­tion­al Prize for Bi­ol­o­gy, the Heineken Prize for En­vi­ron­men­tal Sci­ences, the Balzan Prize in Plant Ecol­o­gy and the BB­VA Foun­da­tion’s Fron­tiers of Knowl­edge Award.

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Gary Varner, Prof.

Gary Varn­er wrote one of the first dis­ser­ta­tions on en­vi­ron­men­tal ethics (Uni­ver­si­ty of Wis­con­sin–Madi­son 1988) and has since pub­lished three books and over 60 short­er pieces on re­lat­ed top­ics, in­clud­ing hunt­ing, an­i­mal agri­cul­ture and hu­man nu­tri­tion, med­ical re­search and cloning of an­i­mals, and pet own­er­ship.

His books are: In Na­ture’s In­ter­ests? In­ter­ests, An­i­mal Rights, and En­vi­ron­men­tal Ethics (Ox­ford Uni­ver­si­ty Press 1998); Per­son­hood, Ethics, and An­i­mal Cog­ni­tion: Sit­u­at­ing An­i­mals in Hare’s Two-Lev­el Util­i­tar­i­an­ism (Ox­ford 2012); and (with ecol­o­gist Jonathan New­man and philoso­pher Ste­fan Lin­quist) De­fend­ing Bio­di­ver­si­ty: En­vi­ron­men­tal Sci­ence and Ethics (Cam­bridge Uni­ver­si­ty Press 2017). He is cur­rent­ly work­ing on a fourth book: Sus­tain­ing An­i­mals: En­vi­sion­ing Hu­mane, Sus­tain­able Com­mu­ni­ties (un­der con­tract with Ox­ford). His pre­sen­ta­tion will dis­cuss es­says from the Au­gust 2019 is­sue of Con­ser­va­tion Bi­ol­o­gy on “com­pas­sion­ate con­ser­va­tion” (vol. 33[4]: pp. 751-787) from the per­spec­tive of Hare­an, two-lev­el util­i­tar­i­an­ism.

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Emily T. Yeh, Prof.

Emi­ly T. Yeh is pro­fes­sor and for­mer chair of the De­part­ment of Ge­og­ra­phy at the Uni­ver­si­ty of Col­orado Boul­der.  Her PhD (2003) is from the En­er­gy and Re­sources Group at the Uni­ver­si­ty of Cal­i­for­nia, Berke­ley.  Most of her re­search has con­cerned na­ture-so­ci­ety ge­og­ra­phy and the re­la­tion­ship be­tween de­vel­op­ment and the en­vi­ron­ment in Ti­betan parts of Chi­na.

This has in­clud­ed stud­ies of prop­er­ty rights and con­flicts over nat­ur­al re­sources, the po­lit­i­cal ecol­o­gy of range­land pro­tec­tion and de­vel­op­ment poli­cies, vul­ner­a­bil­i­ty to cli­mate change, in­dige­nous knowl­edge of cli­mate and eco­log­i­cal change, ide­olo­gies of na­ture and na­tion­al­ism, emer­gent en­vi­ron­men­tal iden­ti­ties and grass­roots en­vi­ron­men­tal ac­tivism, and the re­la­tion­ship be­tween Ti­betan cul­ture, Bud­dhism and en­vi­ron­men­tal pro­tec­tion.  She is the au­thor of Tam­ing Ti­bet: Land­scape Trans­for­ma­tion and the Gift of Chi­nese De­vel­op­ment (Cor­nell UP 2013), as well as co-ed­i­tor of Map­ping Shangri­la: Con­test­ed Land­scapes in the Sino-Ti­betan Bor­der­lands (U. Wash­ing­ton Press, 2014).

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Barend Erasmus, Prof.
Barend Eras­mus, Prof, Uni­ver­si­ty of Wit­wa­ter­srand, South Africa