It is with great pleasure that prof. Denise Cavalcante, representing Federal University of Ceará – UFC, prof. Paulo Caliendo, representing the Latin American Institute of Environmental Taxation – ILATA, and prof. Arthur Ferreira Neto, representing Federal University of Rio Grande do Sul – UFRGS, announce that the 26th Global Conference on Environmental Taxation – GCET26 will take place in Porto Alegre (Brazil), from September 24-26, 2025, at UFRGS Law School. Denise Lucena Cavalcante and Arthur Ferreira Neto are GCET26 co-chairs. The GCET International Steering Committee members are Mikael Skou Andersen, Aarhus University, Hope Ashiabor, University of New South Wales, Janet E. Milne, Vermont Law School.