Thunberg, Greta Greta Thunberg : on truth, courage & saving our planet Interview and photography, Geoff Blackwell - South Africa: Johannesburg Pan Macmillan, 2020. - 78 pages; Photograph; 18cm. - I know this to be true . ISBN: 9781770107243 Subjects--Topical Terms: Thunberg, Greta,—2003-—Interviews; --Environmental protection—Citizen participation;-- Environmentalism;--Child environmentalists—Interviews;--Environmentalists—Sweden.--Climatic changes;--Biography;--Interviews; Dewey Class. No.: 363.73874 THUN