Gelson Fonseca

Gelson Fonseca is a prominent Brazilian diplomat and international relations expert, known for his influential role during the Rio92 Earth Summit, which was pivotal in establishing global environmental agreements. At the time, he served as an advisor to President Fernando Collor and emphasized the importance of multilateralism and climate action. Today, he reflects on the significant geopolitical shifts since the 1990s, particularly the retreat of the United States from climate leadership, which complicates international negotiations such as those at COP30.