Contact us

The secretariat of the United Nations Framework Convention on Climate Change is located in Bonn, Germany. Secretariat staff are housed at the UN Campus and Haus Carstanjen. Maps and directions are available on our website.

If you plan to visit staff at the Climate Change secretariat, please confirm with your counterparts in the secretariat to which address you should go. If no address is given to you, go to the UN Campus address and ask at the reception desk. 


To answer your inquiry, please identify the issue, visit the most relevant web section or FAQs, and if you can not find the information you require, contact us.

1. Identify the issue

2. Visit the section or FAQs

3. Contact us

Official business and general inquiries

Read our FAQs.

Use the postal address to the right, or email:

Using UNFCCC materials

Read our FAQs on using UNFCCC materials.


Official documentation

Visit the documentation section.


Press and media

Read our FAQs on press and media or visit the press section.


Employment and applications

Read through the employment section.


Technical support and linking

Read our FAQs on: hyperlinking, viewing content, or general.


CDM and JI matters or web site issues

Visit the CDM and JI websites for comprehensive information on the mechanisms.

Visit the contact pages of the CDM and JI websites.

TT:CLEAR related matters



GHG data interface and data availability on the website

See the UNFCCC data interface


Finance Portal

Visit the section or FAQs: Visit Finance Portal

FTC Fast-Start Finance

FTC Global Environment Facility

FTC National Communications