Professor at Columbia University in Geography, Ecology and Sustainable Development

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@ruthdefries — 1,015 followers, 217 tweets

Aug 05, 2017

RT @NatureEcoEvo: A News & Views from @ruthdefries examines the recent RCT of a payment scheme for deforestation reduction in Uganda.…

Jul 27, 2017

RT @IOPenvironment: Does certification make coffee more sustainable? @ruthdefries & team assess voluntary schemes for tropical products htt…

Jul 15, 2017

RT @CUSusDev: We are pleased to welcome Lisa Dale to the UPSD! Make sure to check out her new class on governance this fall! 

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