The International Conference of Green Chemistry and Renewable Energy (ICGCRE 2026) — also known as the 6th Edition of the International Conference on Green Chemistry and Renewable Energy or Green Chemistry 2026 — is a major global hybrid conference taking place from 18–20 June 2026 in Barcelona, Spain (with virtual participation options). Organized by Magnus Conferences / Magnus Group, this interdisciplinary event brings together leading researchers, environmental scientists, energy technologists, policymakers, and industry professionals to explore critical advances in green chemistry and renewable energy for sustainable development.