Fons audiovisual
Autor: Agnès Varda
Autor: Hospital Germans Trias
Autor: Nani Moré
Autor: Comissió Europea
Autor: Jen Rustemeyer and Grant Baldwin
Autor: Valentin Thurn
Autor: Fiona Jongejans
Autor: Net News, KCPT i Harvest Public Media Nebraska
Autor: Selina Juul
Autor: FAO (Food and Agriculture Organization)
Autor: Vox i University of California
Autor: Magda Calabrese i Richard Zubelzu
Autor: FAO (Food and Agriculture Organization)
Autor: Tristram Stuart i National Geographic
Autor: Agència de Residus de Catalunya
Autor: 3cat
Autor: Agència de Residus de Catalunya
Autor: Daisy Scholte
Autor: Comunalitats urbanes