Changes

*Thomas W. Smith Foundation: $300,000 (2016-2017, 2020)

*[[Turner Foundation]]: $30,000 (2020)

PERC has also received $162,500 from [[ExxonMobil]] as reported by Kert Davies, research director of Greenpeace USA and creator of [http://www.exxonsecrets.org/maps.php ExxonSecrets].<ref name="exxonsecrets"> ExxonSecrets, [http://www.exxonsecrets.org/html/orgfactsheet.php?id=62 FACTSHEET: PERC - PROPERTY AND ENVIRONMENT RESEARCH CENTER, FORMERLY POLITICAL ECONOMY RESEARCH CENTER, PERC], organizational website, accessed December 6, 2016.</ref>