Frans Krajcberg was a famous Polish/Brazilian painter, sculptor, engraver and photographer, known for his environmental activism. He denounced the destruction of the Brazilian forests, using materials such as burnt wood from illegal forest fires in his artworks.
Featured image: Frans Krajcberg - Untitled,
1970's (detail). Wood. 73 1/5 × 27 3/5 × 13 4/5 in. 186 × 70 × 35 cm. This is a
unique work. Photo courtesy of Bergamin & Gomide