Paz, D.T. and Higuchi, M.I.G. 2018. Origin of the interest, motivation and environmental concern in socio-environmentally engaged young in the Manaus-AM metropolitan region. Sustainability in Debate. 9, 1 (Apr. 2018), 232–245. DOI:https://doi.org/10.18472/SustDeb.v9n1.2018.25541.