Spiro chairs the steering committee of the International Year of Basic Sciences for Sustainable Development (IYBSSD2022). The International Year was proclaimed by the 76th session of the United Nations General Assembly 2 December 2021. IYBSSD was officially inaugurated in July 2022 and extend until December 2023. He also contributed towards the proclamation on August 25 2023, by the United Nations General Assembly, of an International Decade of Sciences for Sustainable Development 2024 -2033.