This Cookies Notice provides information about the types of cookies and how we use them on our website www.earthshotprize.org, and how you can exercise your choices about the use of cookies. If you do not accept our use of cookies please disable them following our guidance below.
This Cookies Notice is intended to be read alongside The Earthshot Prize’s Privacy Notice, which can be found here.
Sections of this notice:
Cookies are small text files that are placed on your computer, laptop and/or mobile device, that contain details of your browsing history on the website and distinguish you from other users. They are widely used and help to provide you with relevant and personalised content and advertising, and help make websites work more efficiently. Your browser sends cookies back to the website every time you visit, so it can recognise you and can tailor what you see on the screen. You can find out more about cookies at www.allaboutcookies.org
When you use and access the website, we may place a number of cookies files in your web browser.
We use cookies for the following purposes, to:
Information supplied by cookies helps us build a picture of how people interact with the website, and how we can improve it. Types of cookies we use include:
Necessary cookies are required to enable the basic features of this site, such as providing secure log-in or adjusting your consent preferences. These cookies do not store any personally identifiable data.
| Cookie | Duration | Description |
|---|---|---|
| PHPSESSID | session | This cookie is native to PHP applications. The cookie stores and identifies a user's unique session ID to manage user sessions on the website. The cookie is a session cookie and will be deleted when all the browser windows are closed. |
| __cf_bm | 1 hour | This cookie, set by Cloudflare, is used to support Cloudflare Bot Management. |
| wt_consent | 1 year | Used for remembering users’ consent preferences to be respected on subsequent site visits. It does not collect or store personal information about visitors to the site. |
| rc::a | never | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| rc::c | session | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| VISITOR_PRIVACY_METADATA | 6 months | YouTube sets this cookie to store the user's cookie consent state for the current domain. |
| _cfuvid | session | Cloudflare sets this cookie to track users across sessions to optimize user experience by maintaining session consistency and providing personalized services |
Functional cookies help perform certain functionalities like sharing the content of the website on social media platforms, collecting feedback, and other third-party features.
| Cookie | Duration | Description |
|---|---|---|
| wp-wpml_current_language | session | WordPress multilingual plugin sets this cookie to store the current language/language settings. |
| VISITOR_INFO1_LIVE | 6 months | A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. |
| yt-remote-connected-devices | never | YouTube sets this cookie to store the user's video preferences using embedded YouTube videos. |
| ytidb::LAST_RESULT_ENTRY_KEY | never | The cookie ytidb::LAST_RESULT_ENTRY_KEY is used by YouTube to store the last search result entry that was clicked by the user. This information is used to improve the user experience by providing more relevant search results in the future. |
| yt-remote-device-id | never | YouTube sets this cookie to store the user's video preferences using embedded YouTube videos. |
| yt-remote-session-name | session | The yt-remote-session-name cookie is used by YouTube to store the user's video player preferences using embedded YouTube video. |
| yt-remote-fast-check-period | session | The yt-remote-fast-check-period cookie is used by YouTube to store the user's video player preferences for embedded YouTube videos. |
| yt-remote-session-app | session | The yt-remote-session-app cookie is used by YouTube to store user preferences and information about the interface of the embedded YouTube video player. |
| yt-remote-cast-available | session | The yt-remote-cast-available cookie is used to store the user's preferences regarding whether casting is available on their YouTube video player. |
| yt-remote-cast-installed | session | The yt-remote-cast-installed cookie is used to store the user's video player preferences using embedded YouTube video. |
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics such as the number of visitors, bounce rate, traffic source, etc.
| Cookie | Duration | Description |
|---|---|---|
| CLID | 1 year | Microsoft Clarity set this cookie to store information about how visitors interact with the website. The cookie helps to provide an analysis report. The data collection includes the number of visitors, where they visit the website, and the pages visited. |
| _clck | 1 year | Microsoft Clarity sets this cookie to retain the browser's Clarity User ID and settings exclusive to that website. This guarantees that actions taken during subsequent visits to the same website will be linked to the same user ID. |
| _clsk | 1 day | Microsoft Clarity sets this cookie to store and consolidate a user's pageviews into a single session recording. |
| SM | session | Microsoft Clarity cookie set this cookie for synchronizing the MUID across Microsoft domains. |
| MR | 7 days | This cookie, set by Bing, is used to collect user information for analytics purposes. |
| _ga | 1 year 1 month 4 days | Google Analytics sets this cookie to calculate visitor, session and campaign data and track site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognise unique visitors. |
| _ga_* | 1 year 1 month 4 days | Google Analytics sets this cookie to store and count page views. |
| YSC | session | YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. |
| vuid | 1 year 1 month 4 days | Vimeo installs this cookie to collect tracking information by setting a unique ID to embed videos on the website. |
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
| Cookie | Duration | Description |
|---|---|---|
| SRM_B | 1 year 24 days | Used by Microsoft Advertising as a unique ID for visitors. |
Advertisement cookies are used to provide visitors with customized advertisements based on the pages you visited previously and to analyze the effectiveness of the ad campaigns.
| Cookie | Duration | Description |
|---|---|---|
| _ttp | 3 months | TikTok set this cookie to track and improve the performance of advertising campaigns, as well as to personalise the user experience. |
| _tt_enable_cookie | 3 months | Tiktok set this cookie to collect data about behaviour and activities on the website and to measure the effectiveness of the advertising. |
| _fbp | 3 months | Facebook sets this cookie to store and track interactions. |
| MUID | 1 year 24 days | Bing sets this cookie to recognise unique web browsers visiting Microsoft sites. This cookie is used for advertising, site analytics, and other operations. |
| ANONCHK | 10 minutes | The ANONCHK cookie, set by Bing, is used to store a user's session ID and verify ads' clicks on the Bing search engine. The cookie helps in reporting and personalization as well. |
| _gcl_au | 3 months | Google Tag Manager sets this cookie to experiment advertisement efficiency of websites using their services. |
| test_cookie | 15 minutes | doubleclick.net sets this cookie to determine if the user's browser supports cookies. |
| IDE | 1 year 24 days | Google DoubleClick IDE cookies store information about how the user uses the website to present them with relevant ads according to the user profile. |
| yt.innertube::nextId | never | YouTube sets this cookie to register a unique ID to store data on what videos from YouTube the user has seen. |
| yt.innertube::requests | never | YouTube sets this cookie to register a unique ID to store data on what videos from YouTube the user has seen. |
Other cookies are those that are being identified and have not been classified into any category as yet.
| Cookie | Duration | Description |
|---|---|---|
| ttcsid_CE9M5A3C77UA05ON075G | 3 months | Description is currently not available. |
| ttcsid | 3 months | Description is currently not available. |
| __Secure-ROLLOUT_TOKEN | 6 months | Description is currently not available. |
| __Secure-YEC | past | Description is currently not available. |
| __Secure-YNID | 6 months | Description is currently not available. |
By clicking accept when you first visit the website you consented to our use of cookies as updated from time to time. In particular, you consented to cookies being stored on your computer and/or mobile device (unless rejected or disabled by your browser). If you choose to customise the settings, then all non-necessary cookies are disabled by default. You also have an option to instantly reject any non-essential cookies which includes tracking cookies.
If you wish to restrict, block or delete the cookies which are set by our website, or indeed any other website, you can do this through your browser settings. How you do so will depend on the browser you use, but the Help function within your browser should tell you how. You can also set your browser to notify you each time new cookies are placed on your computer or other device.
You may wish to visit www.allaboutcookies.org which contain comprehensive information on how to do this on a wide variety of browsers, as well as more explanation of how cookies work.
You can also opt out of receiving cookies on the website for Google Analytics by visiting https://tools.google.com/dlpage/gaoptout.
Please be aware that restricting cookies may impact on the functionality of our websites.
We may update our use of cookies from time to time and consequently we may update this Notice. We therefore recommend that you check this Notice regularly. Where necessary we may also notify you of changes to this Notice by email.
This Notice was last updated on 16 April 2026.
