Impressum & Privacy


The following information contains the statutory, mandatory information on the provider identification, data protection information requirements, as well as other important legal notes regarding this Website.


The legal provider of this website is the Potsdam Institute for Climate Impact Research (PIK).


Telegrafenberg A 31
14473 Potsdam

Phone: +49-(0)331/288-2500
Fax: +49-(0)331/288-2600

Court of registration:

PIK is registered with the local court of Potsdam under registration number VR 1038.


PIK is being represented by the Directors Professor Ottmar Edenhofer and Professor Johan Rockström.

Privacy Policy

The legal binding version of the privacy statement can be accessed here in German: Datenschutzerklärung nach der DSGVO.

Below you can find an English abstract:

General information on data processing

We process the personal data of our users only to the extent necessary to provide our content, services and a functioning website. The processing of personal data of our users takes place regularly only after consent of the user. An exception applies in those cases where prior consent cannot be obtained for actual reasons and the processing of the data is permitted by law. The personal data of the person concerned will be deleted or blocked as soon as the purpose of storage no longer applies.

Provision of the website and creation of logfiles

Each time you access our website, our system automatically collects data and information from the system of the accessing computer. The following data is collected:

  • Information about the browser type and the version used
  • The operating system of the user
  • The internet service provider of the user
  • The IP address of the user
  • Date and time of access
  • Websites from which the user's system accesses our website
  • Scope of the data transmitted

The data is also stored in the logfiles of our system. This does not affect the user's IP address or other data that enables the data to be assigned to a user. These data are not stored together with other personal data of the user. The data will be deleted as soon as they are no longer necessary to achieve the purpose for which they were collected. In the case of the collection of data to provide the website, this is the case when the session has ended. If the data is stored in log files, this is the case after seven days at the latest.

Use of cookies

We use cookies to make our website more user-friendly. Some elements of our website require that the calling browser can be identified even after a page change. The following data is stored and transmitted in the cookies:

  • CSRF Token
  • Session ID

We also use cookies on our website, which enable us to analyse the surfing behaviour of our users. In this way, the following data can be transmitted:

  • Entered search terms
  • Frequency of page views
  • Use of website functions

When calling up our website, the user is informed about the use of cookies for analysis purposes and his consent to the processing of the personal data used in this context is obtained. In this context, a reference is also made to this data protection declaration.

Use of Social Media

  • YouTube Videos

We incorporate YouTube videos into our website. This relates to a video portal of YouTube LLC., 901 Cherry Ave., 94066 San Bruno, CA, USA („YouTube“). Youtube is a subsidiary of Google LLC., 1600 Amphitheatre Parkway, Mountain View, CA 94043 USA, hereinafter only referred to as "Google".

By certification in accordance with the EU-US Privacy Shield

Google and therefore also the YouTube subsidiary guarantees that the data protection regulations of the EU are also observed when data are processed in the US.

We use YouTube in connection with the function "Extended Data Protection Mode" to be able to display videos for you. The legal basis is Art. 6 (1) (f) EU GDPR. Our legitimate interest lies in the quality improvement of our website. You may request additional information on the balancing of interests under The function "Extended Data Protection Mode" according to YouTube has the effect that the data described in more detail below are only transmitted to the Server of YouTube if you actually start a video.

Without this "Extended Data Protection", a connection will be established to the server of YouTube in the US, as soon as you access our websites in which a Youtube video is embedded.

This connection is necessary to be able to display the respective video on our website via your internet browser. In the course of this, YouTube will at least collect and process your IP address, the date and the time as well as the website you are visiting. In addition, a connection is established to the Google´s advertising network "DoubleClick".

If you are logged into YouTube at the same time, YouTube allocates the connection information to your YouTube account. If you would like to prevent this you either have to log off from YouTube before visiting our website or adjust the respective settings in your YouTube user account.

For the purpose of functionality and for the analysis of usage behaviour, YouTube permanently stores cookies via your internet browser on your device. If you do not agree with this processing you have the option of refusing the storage of cookies through a setting in your internet browser. Please find further information in the section "Use of Cookies".

Further information on the collection and use of data as well as your corresponding rights and means of protection is provided by Google in the data privacy notice available at

  • 𝕏 (formerly known as Twitter)

Functions of the service 𝕏 are embedded in our website. These functions are offered by

X Corp.
Attn: Copyright Agent
1355 Market Street, Suite 900
San Francisco, CA 94103, USA

By using 𝕏 and the function "Re-Post" the websites you visited are linked to your 𝕏 account and disclosed to other users. In doing so, the data are also transmitted to 𝕏.

Please note that we do not obtain knowledge of the content of the transmitted data as well as their use by 𝕏. For further information on the processing of your personal data by 𝕏 please refer to the data protection information of 𝕏 under .

By certification in accordance with the EU-US Privacy Shield

𝕏 guarantees that the data protection regulations of the EU are also observed when data are processed in the US. You can change your privacy settings on 𝕏 in the account settings under


You can subscribe to our free newsletter on our website. In addition, you can subscribe to two other ISIMIP mailing lists: isimip-modellers and isimip-caveats. Users that are the responsible contact persons for editing Impact Models, are registered to the isimip-modellers mailing list by the ISIMIP project coordinator or the ISIMIP data management team.

Each of our e-mail distribution lists is managed by a DFN-Listserv. When you register to any of our mailing lists, this is the data that will be transmitted to us:

You can change your subscription options, manage your preferences, suspend your subscription or unsubscribe at any moment, by logging in to the list environment homepage. To unsubscribe, you can also send a message to from the address with which you subscribed to the list. More information on DFN-Listserv here.

NOTE: Prior to 12 Dec 2019, we only managed one newsletter mailing list. People could join such newsletter by filling in an online form where we would gather the following information: name, e-mail address, interests, affiliation, country, date and time of registration. The data in such database was deleted as soon as they were no longer necessary to achieve the purpose for which they were collected. The user's e-mail address was stored as long as the newsletter subscription was active. The subscription of the newsletter could be cancelled by the affected user at any time. For this purpose, it was sufficient to send an informal e-mail (in response to a newsletter received or independently thereof) to On 12 Dec 2019, we migrated all those subscribers to our isimip-followers DFN-Listserv and notified them of the action.


Users that are the responsible contact persons for editing Impact Models are registered to the isimip-modellers mailing list and to our Modeller's Dashboard database by the website administrator or the ISIMIP data management team. The Modeller's Dashboard account provides access to different areas of the website, for gathering documentation and license information about an Impact Model. The data transmitted to ISIMIP is: name, e-mail address, affiliation, country, ISIMIP sector of involvement, model owner or model involved, date and time of registration, and interests (if expressed).


It is possible to contact us via the e-mail address provided. In this case, the personal data of the user transmitted with the e-mail will be stored. The data will be deleted as soon as they are no longer necessary to achieve the purpose for which they were collected. For the personal data sent by e-mail, this is the case when the respective conversation with the user has ended.

In technical affairs do not hesitate to contact the webmaster: