On 25 January 2022, the OECD held a webinar on Adverse Outcome Pathway (AOP) co-operative activities between Scientific journals and the OECD. This webinar was organised primarily for Scientific Journal editors or publishers who are interested in reviewing/publishing AOPs and collaborating with the OECD in this activity. The objective of the webinar was to present the basis for cooperation between scientific journals and the OECD and discuss the lessons learnt so far. Dries Knapen (University of Antwerp, Belgium) and Jason O’Brien (National Wildlife Research Centre, Canada) presented lessons learnt from the pilot study conducted at Environmental Toxicology and Chemistry (ET&C) and at Environmental and Molecular Mutagenesis (EMM), with the first AOPs and how the journal review process was optimised in this context. Access the webinar replay at: https://oe.cd/testing-assessment-webinars