One city, two brothers

by Smith, Chris, 1947-
Published 2007

Wangari Maathai : the woman who planted millions of trees

by Prévot, Franck, 1968-
Published 2015

Malala : activist for girls' education

by Frier, Raphaële, 1970-
Published 2017

I have the right to save my planet

by Serres, Alain, 1956-
Published 2021