Valentí Rull: Senior Researcher. Botanic Institute of Barcelona, Spanish National Research Council (CSIC), Barcelona, Spain. Associate Researcher. Institut Català de Paleontologia Miquel Crusafont (ICP-CERCA), Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, Spain. Biologist (1981), PhD in Palaeoecology (1990). Research interests: ecological, evolutionary and biogeographical applications of palynology. Experience in tropical, subtropical and temperate continental and insular biomes. Publications: 14 books and over 300 articles (>200 in JCR journals). Listed in the Stanford World's Top 0.5% paleontologists and Top 10 palynologists (career-long and last-year versions). Teresa Vegas-Vilarrúbia: Biologist, PhD in Ecology (40 years of experience). Associate Professor at the University of Barcelona (Spain). Research interests: Ecology and paleolimnology, environmental impact and biotic response to current and past climate change, anoxia in lakes and its causes, mountain lakes as sentinels of global change. 13 book chapters, about 100 articles. Supervised 10 PhD theses and 12 master's theses.