Invited science talks, discussions and lectures
at international conferences (I), discussions (D), workshops (W) and universities (U):

Lund University Centre for Sustainability Studies (D): Climate Justice Perspective on Negative Emissions, Oct 22, 2020

Zooming in on the GOBE, IGCP653 conference, Copenhagen. Sep 8, 2020: Five major stages during early terrestrialization. Video

China University of Geoscience, Wuhan, Jan 2019: The biological and environmental history of our planet 

GSA Meeting Indianapolis, Nov 2018: The Great Mid-Paleozoic transition 

Goldschmidt Conference, Boston June 2018: Molybdenum burial with organic matter  

GOBE workshop IGCP 653 (W), Sept. 2016, Durham University, Geochemical proxies.

Nuclear waste meeting (W), Stockholm, June 2016, molybdenum cycling.
From Stones to Bread (W)

Royal Society of Denmark, June 2016, Cooling the Earth by rock weathering

Fermor Meeting “The Neoproterozoic Era” (C) Sep 2012, Geological Society, London

Goldschmidt conference, Montreal Canada (C) June 2012: “Informing geobiological models through […] modern analogues”

Princeton University, Research talk (U), Dec 12, 2011: “Ocean Oxygenation during Early Animal Evolution”

ETH Zürich, Research Talk (U), July 22, 2011: Metal-Silicate Mixing […] implications for the age of the Moon

20+ seminar lectures at Univ. Exeter, Southern Denmark, UC Riverside, Arizona State, Harvard, Caltech, Copenhagen.