Mark Dowell is Senior Scientific Officer and Project Leader for Scientific and Technical Support to the Copernicus Programme at the European Commission’s Joint Research Centre. He Leads the European Commission's Knowledge Centre on Earth Observation. His current work focuses on activities aiming to incentivize a scientifically sound and traceable uptake of Copernicus products and Services in European Policy and in the context of international commitments. Mark is a co-chair of the Copernicus Task Force for the proposed Copernicus Anthropogenic CO2 emission initiative and Chair of the Copernicus Climate Change Service Expert Panel. He currently leads CEOS activities on the CEOS Carbon Strategy and the CEOS/CEOS Greenhouse Gas monitoring Task Team and is also a co-Chair of the Climate Change Working Group in the Group on Earth Observations. In this interview, Mark discusses the impact of the Open-Earth-Monitor project on European climate policies, comparing key collaborations between Copernicus and international initiatives like the Paris Agreement that are aimed at improving the usability and impact of EO data in policy-making.