An environmentalist, he has directed the Environmental Education Department of the Brazilian Ministry of Environment since 2011. He started out as an environmental policies activist in 1981, and in the 1970s he took part in protests and demonstrations for students’ movement issues in Ribeirão Preto. From 1983 to 1988 he was an activist in the city of Santos, where he founded Movimento em Defesa da Vida (MDV - Movement in Defense of Life), whose strategy for popular mobilization was organizing tours of Serra do Mar, Serra da Jureia and other ecosystems in the region. In 1990 he started working with alderwoman Irene Cardoso at the São Paulo City Hall. From 1995 to 2008 he served as an advisor for senator Marina Silva. In 2000 he defended his master’s thesis at the University of Brasília, about the role of the press and the symbolic power of the death of Chico Mendes. Lives and works in Brasília.