Do you have questions about our privacy policy or do you want to use your rights to delete or inform about data protection issues? Then please contact:

Tutech Innovation GmbH (TUTECH) is our Technical Coordinator of this page. Please refer to our contact page to get further contact details.

We are not interested in collecting personal data. Nonetheless the software on our server is using your data. We have deactivated all possible settings to prevent privacy issues. We do not collect the visitors IP address and our server settings are turned off: no log files are stored. We have to write reports and that is why we need some statistics to do so. Please read the last paragraph about Matomo to learn more about our tracking details.


We use forms on this page. Some forms are to get information from you about or for circular economy projects. In this case we inform you about the storage process next to the form. All other forms are connected with our content management system WordPress. When visitors leave comments on the site we collect the data shown in the comments form because the software needs it to handle the next step. We do not collect the visitor’s IP address and browser user agent string. This is used on most websites to help spam detection. We want the best possible privacy and that is why we don’t use the plugins for spam protection. But this is also the reason why we don’t provide a comment option on our pages by default, exceptions are possible for limited time. Comments are always welcome: please sent us a message to the address mentioned on the top.


In some cases it is possible that we temporarily activate the comments options which is normally turned off on this page. If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you visit our login page, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me”, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.

Embedded content from other websites

Articles on this site should not include embedded content (e.g. videos, images, articles, etc.). We don’t use this possibility because embedded content from other websites behaves in the exact same way as if the visitor has visited the other website. We give you a link address instead to let you decide if you want to get in contact with the other website. We don’t use embedded content because these websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.

How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely as long the website is running. For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

If you have an account on this site, filled out one of our forms, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Matomo Tracking

This page uses Matomo, that offers “Ethical Stats” for us to know more about the visits on our page. We have to write reports and we need some statistics to do so. We respect your privacy and we use all possibilities to reduce the amount of data. We do not collect personal data such as IP address and we delete the data frequently after 6 months. If you think that is not enough you have the possibility to opt out in the following paragraph. Please note that this paragraph is translated automatically to the language your browser is using.


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