Merchants of Doubt
- Metai: 2014
- Šalis: United States of America
- Žanras: Dokumentiniai
- Studija: Participant
- Raktažodis: propaganda, climate change, lobby
- Direktorius: Robert Kenner
- Vaidina: Patricia Callahan, Matthew Crawford, Stanton A. Glantz, Katharine Heyhoe