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Johan C. I. Kuylenstierna

Reader / Research Leader

Senior Researcher at SEI York; Professor at the University of York, UK; member of the Scientific Advisory Panel (SAP) of the Climate and Clean Air Coalition (CCAC) and of the York Civic Trust Environment Committee.

Johan has 40 years of experience on air pollution and climate change, focussing on integrated strategies, especially reducing Short-Lived Climate Pollutants (SLCPs), and quantifying the multiple benefits of action, including on human health. He coordinated the UNEP/WMO integrated assessment on Black Carbon and Tropospheric Ozone; is a coordinating lead author of UNEP assessments (GEO4 and GEO5); author on regional CCAC assessments in Latin America, Asia and Africa, and the Global Methane Assessment.

He helps the private sector quantify value chain air pollutant emissions with World Economic Forum. He has supported the UN ECE Convention on LRTAP, regional air pollution cooperation in South Asia (the Malé Declaration) and southern Africa (APINA).

Johan also helps to develop and apply the Low Emissions Analysis Platform-Integrated Benefits Calculator tool to inform national and local SLCP, air pollution and climate change mitigation strategies and their contribution to improving health. He has supported City of York Council’s climate strategy, and is working on retrofit strategies to buildings in support of these in the Retrofit One-Stop Shop York (ROSSY) and Yorkshire and Humber Policy Innovation Partnership (YPIP) projects.