8 -10 April – TF HTAP meeting – registration

Dear Contributors to the Task Force on Hemispheric Transport of Air Pollution,

As previously announced in our save-the-date email, the 2026 annual HTAP meeting will be held from April 8-10. We are now pleased to announce that our meeting this year will be hosted by the Helmholtz Centre Hereon and will take place in Hamburg, Germany. The meeting will be a hybrid event, with full participation possible via the zoom platform.

In person registration

Registration is now open for in person participation via the following link: https://eveeno.com/htapspringmeeting2026

Further information about logistics, travel, and accommodation is provided via the link for in-person registration.

Online registration

for online participation here: https://eveeno.com/htap2026_online

The meeting will include sessions on the HTAP3-OPNS multi-model exercise in support of the revision of the Gothenburg Protocol, the HTAP3-Fires exercise on multi-pollutant impacts of wildfire emissions, the MCHgMAP exercise on Mercury, and the new scoping activity on PFAS.

Please let us know by mail whether you need a letter of invitation for visa purposes, or if you have any other questions about the meeting.

We hope to see many of you in Hamburg in the spring.

Best regards,

Tim Butler, Rosa Wu, and Jacek Kaminski (HTAP co-chairs and vice-chair)

Johannes Bieser and Martin Ramacher (local hosts)