Hogar Sin Tóxicos (Toxic-Free Home) book

His career began as Head of Ecology on the programme El primero de la mañana on Antena 3 Radio from 1988 to 1992. This was one of the most popular programmes on the station, which became the most listened to in Spain in 1992, and continued on Cadena COPE.

He has directed projects such as the series España en la Vereda or narrated Tierra Viva, among other projects and various other works he has produced over the years. 

In addition to his work in the media and his informative work, Carlos has also reported on the situation through his books: Tierra Quemada. Políticos y empresarios contra la naturaleza: el negocio verde (1995), Los cisnes de Urd. Nature and Myth in the Edda (1997), and so on. 

His work has received awards such as the United Nations Global 500 Award (2000), the National Environment Award (1997), the Madrid City Council Environment Award (1994), the Friends of the Earth Award (1995), the Vida Sana International Award for News Media, received in 2002 "for his relevant contribution to the creation of an ecological conscience in Spain, based on his independent work of reporting and exposing the environmental problems that plague Spain and, in general, the planet Earth"; and the Aragonia 2002 prize, awarded by the Society of Friends of the Palaeontological Museum of the University of Zaragoza for his work of dissemination and denunciation carried out on the Cope (especially on its Planeta Cope programme) on issues related to the natural sciences.