This is CATCH (the Cryosphere and Atmospheric Chemistry)! Our mission is to facilitate atmospheric chemistry research within the international community, with a focus on natural processes specific to cold regions of the Earth. More at www.catchscience.orghttps://bsky.app/profile/catchscience.bsky.socialhttps://bsky.app/profile/catchscience.bsky.social/post/3mssp2k43v22q📣The CATCH seminar series also continues during the summer! Check our the next seminar by Samantha Greeney (CSU) on "A Comprehensive Study of Ice-Nucleating Particles in Fairbanks, Alaska" on August 27th, 14:00 UTC. Zoom link as usual at www.catchscience.org/seminar-series11 Aug 2026 13:14 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mssp2k43v22qhttps://bsky.app/profile/catchscience.bsky.social/post/3mrdebehez22m📣Check out next week's CATCH seminar by Cort Zang (Colorado State University): "Bromine monoxide radical dominates DMS oxidation before the springtime onset of Arctic ice melt", Monday 27 July, 14:00 UTC. Zoom link as always here: www.catchscience.org/seminar-series23 Jul 2026 17:26 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mrdebehez22mhttps://bsky.app/profile/catchscience.bsky.social/post/3moffj5d3nk2hDon't miss Rémy Laperes talk today at 9:00 UTC (or 11:00 CEST)! Zoom link as usual here (or in the newsletter): www.catchscience.org/seminar-series16 Jun 2026 08:38 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3moffj5d3nk2hhttps://bsky.app/profile/catchscience.bsky.social/post/3mlt73ufolc2pMark your calendars for next year's "9th International Symposium on Gas Transfer at Water Surfaces (GTWS)" from 14-17 June 2027 in Stockholm, Sweden, which will include the polar regions. Call for abstracts will open end of August. More details here 👉 www.gtws2027.se14 May 2026 16:05 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mlt73ufolc2phttps://bsky.app/profile/catchscience.bsky.social/post/3mlqb6owszs2s🚨Don't miss next week's #CATCH seminar by Manual Dall'Osto @manueldallosto.bsky.social on "On the Arctic sea ice melting and sea spray aerosol production". Thursday, 21 May, 9 UTC. Link and calendar entry as usual on www.catchscience.org13 May 2026 12:04 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mlqb6owszs2shttps://bsky.app/profile/catchscience.bsky.social/post/3mkwt5uqz7c2wWill you be at #EGU2026 next week? Join our session "Bridging Disciplines: Interactions Between Polar Aerosols, Clouds, Sea Ice, and Oceans in a Changing Climate" co-organized by #CATCH. Posters & oral session on Monday from 14:00-15:45 (Hall X5) & 16:15-18:00 (room M2) www.egu26.eu/session/56970 https://www.egu26.eu/session/5697003 May 2026 09:17 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mkwt5uqz7c2whttps://bsky.app/profile/catchscience.bsky.social/post/3mhcx4zv22k2tLittle reminder: Don't miss our CATCH seminar today! 👉 [contains quote post or other embedded content]18 Mar 2026 07:19 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mhcx4zv22k2thttps://bsky.app/profile/catchscience.bsky.social/post/3mgjndykdbk2yGreetings from the Saroma Sea Ice School 2026 in beautiful Hokkaido, Japan! Co-organized by @bepsiiseaice.bsky.social, CATCH and CIce2Clouds, students & teachers learned everything around sea ice-ocean-atmosphere interactions in polar regions, from theory to hands-on fieldwork! Super fun!08 Mar 2026 05:47 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mgjndykdbk2yhttps://bsky.app/profile/catchscience.bsky.social/post/3mfxnyy7k4c2oHej CATCH community!👋 Don't miss our next seminar by Jennifer Murphy @envchemjen.bsky.social (Uni Toronto) on March 18th, 15:00 UTC on "Sources and fate of atmospheric ammonia in the Arctic". Zoom link & calendar entry as usual on 👉 www.catchscience.org #CATCHscience @igac-ecr.bsky.social01 Mar 2026 02:11 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mfxnyy7k4c2ohttps://bsky.app/profile/catchscience.bsky.social/post/3mcc7j3bjek24Don't miss next week's #CATCHseminar by James Brean @unibirmingham.bsky.social on "“Do Rivers Produce Aerosols? Terrigenous runoff acts as an uncounted driver of Arctic NPF”. Date: Tuesday, 20 January 2026 at 12:00 UTC. Zoom-link and calendar entry here: www.catchscience.org/seminar-series13 Jan 2026 09:10 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mcc7j3bjek24https://bsky.app/profile/catchscience.bsky.social/post/3mbqnlyxa7k2fJoin us in our session on "Aerosol–Cloud–Ocean–Sea Ice Interactions in the Polar Regions: Links through biogeochemical processes" at @egu.eu #EGU26 in Vienna, Austria. Abstract submission open until Jan 15th. More here 👉 www.egu26.eu/session/56958 @bepsiiseaice.bsky.social #CATCHscience06 Jan 2026 09:35 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3mbqnlyxa7k2fhttps://bsky.app/profile/catchscience.bsky.social/post/3m75hlvtdgc2l📣 Next #CATCHseminar will be given by @pzieger.bsky.social & Michael Tjernström (Stockholm Uni) on "Atmospheric rivers and the onset of sea ice melt - The science behind ARTofMELT and first highlights". Date: Tues 16 Dec 2025, 14:00 UTC. Zoom link: www.catchscience.org @stockholm-uni.bsky.social04 Dec 2025 07:36 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3m75hlvtdgc2lhttps://bsky.app/profile/catchscience.bsky.social/post/3m6ji46o3pk2sDon't miss today's #CATCHseminar at 11:00 UTC! Exciting science from the southern hemisphere! 👇 [contains quote post or other embedded content]26 Nov 2025 08:52 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3m6ji46o3pk2shttps://bsky.app/profile/catchscience.bsky.social/post/3m5gznpe7zk2z📰 The CATCH November newsletter is out! In case you missed it, here you find it 👉 us14.campaign-archive.com?u=12fd9195ec...12 Nov 2025 16:03 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3m5gznpe7zk2zhttps://bsky.app/profile/catchscience.bsky.social/post/3m4x2iksxsk2v📣 Don't miss the next #CATCHseminar by Branka Miljevic and @marcmallet.bsky.social on "Biogenic aerosol-cloud interactions over the Southern Ocean near East Antarctica". 26 Nov. 2025, 11:00 UTC. Link and calendar entry here: www.catchscience.org/seminar-series @antarctic.bsky.social06 Nov 2025 07:35 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3m4x2iksxsk2vhttps://bsky.app/profile/catchscience.bsky.social/post/3m2jr6eca6s2qThe CATCH seminar "Ice, Ice, Maybe? Aerosol-cloud interactions over the Southern Ocean Region" by Christina McCluskey is now online! Check it out: https://www.youtube.com/watch?v=a3IeYdf_iwQ06 Oct 2025 13:54 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3m2jr6eca6s2qhttps://bsky.app/profile/catchscience.bsky.social/post/3lypa6tcbuc2eDon't miss next week's #CATCHseminar by Heike Wex (TROPOS, Germany) on the fascinating ice nucleating particles found in the polar regions. 🌨️❄️🐧🐻‍❄Tuesday, 16 Sept, 14:00 UTC. Zoom link: www.catchscience.org/seminar-series @tropos-de.bsky.social @igac-ecr.bsky.social13 Sep 2025 07:15 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lypa6tcbuc2ehttps://bsky.app/profile/catchscience.bsky.social/post/3lx7d6uesk22j📣 Don't miss this weeks exciting CATCH seminar by @cloudofwonder.bsky.social on Wednesday, 27 Aug, at 16:00 UTC. Link to the zoom and upcoming seminar as usual here: www.catchscience.org/seminar-series25 Aug 2025 06:01 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lx7d6uesk22jhttps://bsky.app/profile/catchscience.bsky.social/post/3lwy4yuzql22j📢 Are you an ECR interested in sea ice, snow, clouds, aerosols and how things are connected? Join the Saroma Sea Ice School 2026 in Hokaido, Japan! Application deadline: 30.9. Details here 👉 https://sites.google.com/site/bepsiiwg140/news/bepsii-catch-sea-ice-school-2026 @bepsiiseaice.bsky.social @igac-ecr.bsky.social @igacproject.bsky.social22 Aug 2025 09:22 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lwy4yuzql22jhttps://bsky.app/profile/catchscience.bsky.social/post/3lwvjyqecq22bThe #CATCHseminar in September will be given by Heike Wex (TROPOS, Germany). Mark your calendars for Sept 16th, 14:00 UTC!21 Aug 2025 08:36 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lwvjyqecq22bhttps://bsky.app/profile/catchscience.bsky.social/post/3lvnaqucej22nDon't miss the upcoming and super cool ECR online conference from IGAC and ICACGP! Sign-up until 21st of Sept. More details: https://www.ecr-igac-icacgp.org/2025/03/05/igac-icacgp-ecr-2025-online-conference/05 Aug 2025 08:04 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lvnaqucej22nhttps://bsky.app/profile/catchscience.bsky.social/post/3lvlpswdqsk2n👋 This months #CATCHseminar will be given by Christina McCluskey (NCAR) on August 27th, 16:00 UTC. Don't miss it! Get the calendar entry and zoom link here: www.catchscience.org/seminar-series04 Aug 2025 17:29 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lvlpswdqsk2nhttps://bsky.app/profile/catchscience.bsky.social/post/3lsygunmaks2uLittle reminder for tomorrow's #CATCHseminar! 3 July (Thur) at 13:00 UTC! Link: www.catchscience.org/seminar-series [contains quote post or other embedded content]02 Jul 2025 14:38 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lsygunmaks2uhttps://bsky.app/profile/catchscience.bsky.social/post/3lslxuy4qvk2c📣 Check out our next CATCH seminar on "Atmosphere-snowpack mercury exchange" by Sae Yun Kwon (POSTECH). 3 July (Thur) at 13:00 UTC! Link: www.catchscience.org/seminar-series #CATCHscience @igac-ecr.bsky.social @igacproject.bsky.social @solas-ipo.bsky.social @bepsiiseaice.bsky.social27 Jun 2025 15:37 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lslxuy4qvk2chttps://bsky.app/profile/catchscience.bsky.social/post/3lqdastlcvs2x🎉 New CATCH publication by @thorbarra.bsky.social et al. This work highlights key open questions in cold-region atmospheric chemistry - from polar sulphur emissions to wintertime haze. Check it out here 👉 https://pubs.rsc.org/en/content/articlelanding/2025/fd/d5fd00056d @igacproject.bsky.social @thorbarra.bsky.social29 May 2025 17:33 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lqdastlcvs2xhttps://bsky.app/profile/catchscience.bsky.social/post/3lqctpfkyac2l📣Are you an ECR interested and working on topics around Atmospheric Chemistry? Then join the 2nd IGAC-iCACGP ECR 2025 online conference, which will be organized around 3 different time zones. Abstract until 10th of Aug. More details here: https://www.ecr-igac-icacgp.org/2025/03/05/igac-icacgp-ecr-2025-online-conference/29 May 2025 13:38 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lqctpfkyac2lhttps://bsky.app/profile/catchscience.bsky.social/post/3lq7koquy6c2kMark your agendas for the next #CATCHseminar by Christian Pilz on vertical properties of aerosols in the Arctic: Wednesday 18th June 2025 (13:00 UTC). More info and zoom link: www.catchscience.org/seminar-series @tropos-de.bsky.social28 May 2025 06:19 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lq7koquy6c2khttps://bsky.app/profile/catchscience.bsky.social/post/3lnjx3o7d422c📣Check out our upcoming #CATCHseminar on May 5th, 8:00 UTC (or 10:00 CEST) by Jakob Pernov on ozone depletion events in the Arctic. 👉24 Apr 2025 05:12 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lnjx3o7d422chttps://bsky.app/profile/catchscience.bsky.social/post/3lmzcedennk2fUnfortunately, today's seminar has to be moved on short notice. Stay tuned for a new time and date. [contains quote post or other embedded content]17 Apr 2025 14:18 +0000at://did:plc:lph4je2vhapnhshbpucbc6rg/app.bsky.feed.post/3lmzcedennk2f