Pediatric societies’ declaration on responding to the impact of climate change on children oleh Ruth A. Etzel, Jie Ding, Stella M. Gil, David Githanga, Jeffrey Goldhagen, Alok Gupta, Raúl Mercer, Salman Mroueh, Shanti Raman, Barbara Rubio, Nicholas J. Spencer, Nathaniel Uchtmann, Tony Waterston