The WCRP Secretariat and International Project Offices (IPOs) telecon was organized on 6^th May 2021, with the participation of representatives from the IPOs of CliC, CLIVAR, SPARC, CORDEX, S2S, CORA, Monsoon, YESS and WCRP Secretariat. The major uptakes from the telecon are:

• Staff changes in WCRP Secretariat and IPOs: Nico Caltabiano and Narelle van der Wel will join WCRP Secretariat as full staff and a third full staff is being recruited; Valery Detemmerman for 2023 WCRP Open Science Conference (OSC); Armelle Remedio (CORA); Sabrina Zechlau (SPARC);  
• The 42^nd Session of WCRP Joint Steering Committee will be organized from 28 June to 2 July 2021. Draft agenda and presentation and report templates are being finalized and to be distributed shortly;
• Upcoming WCRP Climate Research Forums: North and Central America, the Caribbean, and Greenland (11 May 2021); Southeast Asia (25 May 2021) and Europe and Western Asia (9 June 2021). There used to be 200-300 people participated in the previous CRFs;
• Several workshops, seminar series, white papers are being prepared by LHAs;
• The WCRP Open Science Conference will be organized in Spring (Boreal) 2023. A subset of JSC chaired by Detlef Stammer formulated the concept document. The conference is expected to have 1,000 people participating in-person, and with a similar number of online participants. There were suggestions to gather the participants to regional hubs, similar to the CORDEX conference and SPARC General Assembly which are being prepared;
• Uptakes from IPOs updates:

1. CLIVAR: 2^nd Sea Level Conference will be organized in July 2022 in Singapore, as the sunset activity of the WCRP Sea Level Grand Challenge.
2. SPARC: Strategy is being updated;
3. CORDEX: ready to release the white paper on downscaling protocol; linking to RifS; CORDEX 2020 report released by CORDEX office;
4. S2S: Prize Challenge to improve Sub-seasonal to Seasonal Predictions using Artificial Intelligence; linking to RifS;
5. CORA: First Meeting of the Interim Coordinating Group (ICG) and 1^st meeting of building blocks (BB) of RifS organized to develop the RifS Science Plan.
6. Monsoon: ICMPO will be upgraded to IMPO in May; international workshop on S2S prediction and monsoon is being prepared;
7. YESS: 1^st Learning Group on AI/ML established and two webinars will be organized; 2^nd Webinar series will be organized with CORDEX; 2 YESS members joined science committee of WWRP/WCRP symposium;

• Again, IPOs would like to improve the internal communications between IPOs and WCRP Secretariat. Sli.do is recommended as an easy-to-use tool for communication;
• The next WCRP Secretariat and IPOs meeting will be organized in July and hosted by the newly established WWRP/WCRP International Monsoon Project Office (IMPO).

The key messages brought from ICPO were:

• The 2^nd Sea Level Conference will be organized in July 2022 in Singapore, as the sunset activity of the WCRP Sea Level Grand Challenge.
• Jose Santos, Executive Director of ICPO is still working from Ecuador now, and he is planning to come back to China in June.