Professor at Columbia University in Geography, Ecology and Sustainable Development

Search Tweets

Twitter Feed

@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!  http://blogs.ei.columbia.edu/2017/07/14/faculty-profile-lisa-dale/#.WWkgqx4_XlA.twitter 

Show more