A new journal article by Henrik H. Svensen, Marit Ruge Bjærke and Kyrre Kverndokk explores the use of deep time climate examples in the interface between climate research and climate politics by analyzing publications on a 56-million-year-old greenhouse gas-driven rapid global warming event, the Paleocene-Eocene Thermal Maximum (PETM). The scientific knowledge about the PETM is currently considered too uncertain to draw conclusions from, but the article shows that, by being presented as an example, the PETM may still contribute to the scientific understanding of ongoing climate change. Although the PETM is regarded as too uncertain to guide present day climate change modeling, it is still considered morally significant, and is allowed to influence public opinion and policymaking.