FILE PHOTO: A drone view shows rings formed by towers from the Amazon FACE research project where scientists have built a “time machine” pumping carbon dioxide into the rainforest canopy to simulate atmospheric conditions predicted for the future to gauge how the biome adapts, an open question to be discussed at next month’s COP30 United Nations Climate Change Conference hosted by Brazil, in Manaus, Amazonas state, Brazil, May 14, 2025. REUTERS/Bruno Kelly/File Photo