Brazilian former environment ministers (L-R) Jose Carlos Carvalho, Sarney Filho, Izabella Teixeira, Rubens Ricupero, Marina Silva, Edson Duarte and Carlos Minc deliver a press conference at the Institute of Advanced Studies (IEA) of the University of Sao Paulo, in Sao Paulo, Brazil, on May 8, 2019. - Brazilian former environment ministers met for the first time Wednesday in Sao Paulo. (Photo by NELSON ALMEIDA / AFP)