Title: The Changing Carbon Cycle
Subjects: Atmospheric carbon dioxide, Carbon cycle (Biogeochemistry), Congresses, Carbon cycle, Carbon dioxide, Biogeochemistry, Environmental impact, Cycle du carbone (Biogéochimie), Congrès, Gaz carbonique atmosphérique, Aspect de l'environnement, Environmental aspects, Kohlendioxidbelastung, Atmosphäre, Kohlendioxidemission, Kohlenstoffkreislauf, Koolstofcyclus, Kooldioxide, Atmosfeer