Cookie policy

ADEME wishes to inform you in a clear and transparent manner about the use of cookies when you visit the website.

At any time, by clicking on the "Customize Cookies" link, you can modify your preferences.


1. Preamble

To enable Internet users to benefit from the services offered by the site such as its consultation, optimization of its use or its personalization according to the Internet user, the Site uses cookies.

You can at any time deactivate the cookies to which you have consented, free of charge, from the deactivation options offered to you and recalled below.

2. Definitions

Cookies are information relating to the navigation of your terminal (computer, tablet, smartphone, etc.) on the Site. They are used to send information to your browser and to allow this browser to send information back to the Site (for example, a session identifier or the choice of a language).

Only the sender of a cookie can read or modify the information contained in it.

There are different types of cookies:

 - session cookies that disappear as soon as you leave the Site;

 - permanent cookies that remain on your terminal until their lifetime expires or until you delete them using the functions of your browser.

You are informed that, during your visits to this Site, cookies may be installed on your terminal equipment.


3. Purposes of the cookies used

Cookies are used on the Site for different purposes, to facilitate your navigation, to offer you personalized content or to carry out statistics on visits.

The Site uses browsing cookies that are essential for using the Site. Their sole purpose is the technical management of the network and to allow or facilitate communication by electronic means (detection of connection errors, identification of connection points, etc.).

The Site uses preference cookies, to offer you a navigation according to your profile (companies, communities/institutional/journalist) and to allow you to access more easily the contents of the Site. Preference cookies also allow us to store content in favorites on some of our sites.

The Site also uses authentication cookies, which are essential to allow you to access your personal space from different sites;

Finally, the Site also uses performance cookies, in order to :

 - to analyze the frequentation and the use of the Site, in order to :

 o improve the browsing experience, with the ultimate aim of offering you a Site that is always more suitable;

 o to carry out statistical studies;

o to memorize your browser's display preferences (language used, display parameters, operating system used, etc.) and to adapt the presentation of the Site during your visits, according to the display or reading hardware and software that your terminal equipment contains and that are used for browsing the Site;

o to implement security measures;

 - to improve the relevance of advertisements displayed on the Site;

 - to make the Site more user-friendly and interactive.


4. Which cookies are used on the Site?

The cookies used on the Site are

 - session cookies, these are temporary cookies that remain in the cookie file of your browser for the duration of your visit and are deleted when you close the browser;

 - performance/analytical cookies, we use performance cookies to gather information about how our website is used by its visitors, to improve the content of our website, to make it more responsive to visitors' wishes, and to increase the usability of our website. For example, one cookie helps us count the number of unique visitors and another tracks the most popular pages. To analyze the use of our website, we use Google Analytics and Google Tag Manager, which also use cookies for this purpose.



ADEME uses services offered by third parties to allow you to access certain features of the Site, to share content on the Site with others, or to let others know about your views or opinions regarding content on the Site.

This may be the case of the sharing buttons (Twitter, YouTube).

These features rely on third-party cookies that are directly deposited by the social networks and other service providers that may be involved.

The social network is likely to identify you thanks to this button, even if you did not use it when visiting our Site. This type of application button may allow the social network concerned to track your browsing on our Site, simply because your account with the social network was activated on your browser (open session) during your browsing on our Site.

We have no control over the process used by social networks to collect information about your browsing on our Site in combination with the personal data they hold. We recommend that you consult the terms of use of your data on these social networks to know the purposes of use, including advertising, and the browsing information they may collect through these application buttons. It is advisable to ensure that the terms of use of these social networks can allow you to control and restrict the use of your data by these social networks, in particular by setting up your user accounts with them.

5. Sharing your terminal use with others

If your terminal is used by more than one person, and where a single terminal has multiple browsers, we cannot be certain that the services and advertisements directed to your terminal equipment are consistent with your own use of that terminal equipment and not with the use of another user of the same terminal equipment.

Sharing with others the use of your terminal equipment and configuring your browser settings with respect to cookies is your free choice and responsibility.

6. Consent

During your first visit to the Site, you are offered the opportunity to accept or refuse the use of certain cookies.

If you do not want cookies to be installed or read on your terminal equipment, a refusal cookie will be placed on your equipment so that ADEME can record the information that you have objected to the use of cookies. If you delete this refusal cookie, it will no longer be possible to identify you as having refused the use of cookies.

Similarly, when you agree to the use of cookies, a consent cookie is set.


The consent or refusal cookies must remain on your terminal equipment. You can change your wishes at any time directly on the site, by clicking on the "Cookies" link at the bottom of the page.

7. Cookie management

You can manage and modify the use of cookies at any time according to the possibilities listed below:

 - directly on the Site, on the "Cookies" link at the bottom of the page

 - from your browser, or

 - from modules or inter-professional opposition platforms.

Please note: ADEME reminds you that your refusal to install a cookie is taken into account by the deposit of a refusal cookie. Consequently, if you deactivate all the cookies on your terminal or if you change your terminal, we will no longer be able to identify that you have chosen this option.

Cookie Management Module

A module allows you to choose which cookies you wish to accept and which you wish to reject on the Site.

At any time, by clicking on the "Cookies" link at the bottom of the Site, you can access the module and change your preferences.

Browser Settings

While most browsers are set by default to accept the installation of cookies, you can choose to accept all cookies, reject them systematically or choose which ones you accept according to their sender.

You can also regularly delete cookies from your terminal via your browser.

However, do not forget to set the parameters of all the browsers of your different terminals (tablets, smartphones, computers...).


For the management of cookies and your choices, the configuration of each browser is different.

It is described in the help menu of your browser, which will allow you to know how to modify your wishes regarding cookies.

As an example:

 - for Microsoft Edge™: data-and-privacy;

 - for Internet Explorer: ;

 - for Safari™: ;

 - for Chrome™: ;

 - for Firefox™: ;

 - for Opera™:

However, we draw your attention to the fact that by setting your browser to refuse cookies, certain features, pages, areas of the Site will not be accessible, for which we cannot be responsible.

Publisher Opt-Out Modules

You can choose to disable certain third-party cookies, by going directly to the issuer's page. For example:

 - to disable Google Analytics cookies, go to the page:

Inter-professional opposition platforms

Several platforms of advertising professionals also offer you the possibility of refusing or accepting cookies used by the companies that are members of them. These centralized mechanisms do not block the display of advertisements but only prevent the installation of cookies that allow the adaptation of advertisements to your centers of interest.

For example, you can visit the site to prevent the installation of these cookies on your terminal. This site is proposed by the professionals of digital advertising grouped within the European association EDAA (European Digital Advertising Alliance) and managed in France by the Interactive Advertising Bureau France.

You will be able to find out which companies are registered with this platform and which offer you the possibility of refusing or accepting the cookies used by these companies to adapt the advertisements likely to be displayed on your terminal to your browsing information: .

This European platform is shared by hundreds of Internet advertising professionals and constitutes a centralized interface allowing you to express your refusal or acceptance of cookies that may be used to adapt the advertisements that may be displayed on your terminal to your browsing habits.

8. Protection of personal data

In the context of the use of cookies as described in this document, ADEME, as the controller, may process personal data about you.

The third party cookies on the Site depend on external processors who may, if you accept these cookies, process personal data about you.

The issuance and use of these cookies by third parties is subject to their own privacy policies. For more information regarding such processing, you can refer to the privacy policies of these suppliers.

The data collected is necessary to achieve the purposes of each cookie. It is only intended for use by the authorized departments of ADEME and/or the company issuing the third-party cookies. Personal data collected via cookies is never kept longer than necessary to achieve the purpose of the cookie and, in any case, not longer than 13 months. After this period, your consent will be sought again by the display of an information banner.

For more information, including how to exercise your rights, please refer to our Data Protection Policy.

In accordance with the provisions of the General Data Protection Regulation, individuals have the right to request, access, rectify, delete, object on legitimate grounds and portability of all data.

After the death of the person, the data collected is kept for the time necessary for ADEME to comply with its legal and regulatory obligations. At the end of this period, the data will be deleted, unless the person decides that it should be communicated to a third party of his or her choice, in accordance with the provisions of article 85 of law n°78-17 of January 6, 1978 relating to information technology, files and freedoms.

The rights can be exercised by contacting the data protection officer, whose contact details are given above, by e-mail or by post, accompanied by any information enabling you to prove your identity.

In case of dispute, it is possible to refer to the National Commission for Information Technology and Civil Liberties, the competent control authority.