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ATMOsphere Network at the 48th OEWG of the UN Montreal Protocol 2026

This event has ended.

Date
16 July 2026
Location
Bangkok, Thailand

About

The ATMOsphere Network side events will be held during the 48th Open Ended Working Group (OEWG) of the United Nation’s Montreal Protocol in Bangkok, Thailand. Attendees and delegates joining the week of negotiations are welcomed to join us for the following events:
 
Atmospheric Degradation Products of HFO Refrigerants: Emerging Science and Policy Implications
16 July, 13:15 to 14:45 Organised by: ATMOsphere & the Coalition for PFAS-Free Cooling and Heating Location: Level 1, Room: MR-A Light lunch and refreshments will be provided.  
Natural Refrigerants and the Kigali Phase-Down: Market Readiness and Technology Pathways
16 July, 18:15 to 19:30 Organised by: ATMOsphere Location: Foyer, Room: Theatre Light dinner and refreshments will be provided.

On the agenda

  • These side events aim to highlight the critical importance of transitioning to PFAS-free alternatives in the heating and cooling sectors, showcasing latest research on HFOs, market readiness for alternatives, recent technological advancements, and the latest policy developments impacting the global move away from these forever chemicals.
  • The events will include brief presentations, and Q&A sessions. See more information about the speakers in the detailed programme below.

Programme

  1. 13.15 - 14.45
    Session

    Atmospheric Degradation Products of HFO Refrigerants: Emerging Science and Policy Implications

    Hosted by ATMOsphere and the Coalition for PFAS free Cooling and Heating. The presentations will be followed by Q&A. A light lunch and refreshments will be offered to attendees.

    ModeratorMarc Chasserot, ATMOsphere& President, Coalition for PFAS free Cooling and Heating

    Joanna Sparks, Climate Campaigner, Environmental Investigation Agency UK (EIA)will present the latest science on TFA

    Cinzia Verzeletti, Senior Campaigner, ATMOspherewill present the Coalition's work modelling TFA emissions.

    Roman Heckt, Global Chief Engineer for natural refrigerant systems, HANON Systemswill present TFA emissions modelling from mobile air conditioning (MAC) systems.

  2. 18.15 - 19.30
    Session

    Natural Refrigerants and the Kigali Phase-Down: Market Readiness and Technology Pathways

    Hosted by ATMOsphere and the Coalition for PFAS free Cooling and Heating. The presentations will be followed by Q&A. A light dinner and refreshments will be offered to attendees.

    Marc Chasserot, Founder & CEO, ATMOsphere

    Jan Dusek, Co-founder & Group COO, ATMOsphere

    Hubert Zan, Manager - Energy Efficiency Regulation, Ghana Energy Commission, & Energy Transformation expertFireside chat

Speakers