Graduate of the IPJ, Nathalie Croisé first started collaborating for France-Soir and Le Parisien. A lover of radio, she worked at Autoroute-Info, RFI and then BFM Radio. Since then, she has specialized in topics related to business and sustainable development. She hosted and produced the program Green Business on BFM Business for 7 years. Nathalie Croisé has more than 25 years of radio experience. Since 6 years, she is a freelance journalist, specialist in "ecological transition". Currently an editorial consultant on these themes, she regularly leads conferences or symposiums (ADEME, ministry, eco-organizations, companies, federations, etc.) She deals with all subjects related to the ecological transition: energies, mobility, circular economy, new materials, CSR... For 2 years she produced the podcasts Their Raison d'être for the media on line Ekopo and occasionally collaborates with the B-Smart channel. She currently hosts a radio program on Batiradio, 80% of which is dedicated to the environmental issues of the sector.