{"id":2295,"date":"2026-03-19T09:56:14","date_gmt":"2026-03-19T09:56:14","guid":{"rendered":"http:\/\/castelis-dev.local\/about\/green-it-responsible-digital\/"},"modified":"2026-04-27T17:53:10","modified_gmt":"2026-04-27T17:53:10","slug":"green-it-responsible-digital","status":"publish","type":"page","link":"https:\/\/www.castelis.com\/en\/about\/green-it-responsible-digital\/","title":{"rendered":"Green IT &#8211; Our Approach"},"content":{"rendered":"<section class=\"castelis-hero-banner\" >\n            <div class=\"hero-image-bg\">\n            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/Cyber1-1-e1776010364555.webp\" alt=\"Responsible digital technology at Castelis\">\n        <\/div>\n    \n    <div class=\"container\">\n                        <div class=\"hero-content-wrapper\">\n            <div class=\"hero-content\">\n                                    <h1 class=\"hero-title\">Responsible digital technology at Castelis<\/h1>\n                \n                                    <div class=\"hero-description\">\n                        <p>Green IT is becoming a major concern for companies, heightened by the context of energy sobriety. As a company developing digital solutions and IT infrastructure services, Castelis also has a <strong>role to play in responsible digital technology.<\/strong> Our approach to digital sobriety and <strong>eco-design of digital services<\/strong> translates into concrete actions both within the company and in the projects we carry out for our clients.<\/p>\n\n                    <\/div>\n                \n                                    <div class=\"hero-cta-buttons\">\n                        <a href=\"#contact\" class=\"btn btn-primary\">\n                            <i class=\"fas fa-chevron-right\"><\/i>\n                            <span> Talk to an expert <\/span>\n                        <\/a>\n\n                                            <\/div>\n                \n                            <\/div>\n        <\/div>\n\n        \n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-content-image frame-grey\" >\n    <div class=\"container align-items-center\"> \n        \n        <div class=\"order-2 content-wrapper \">\n            \n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>What is Green IT?<\/div>\n                <\/h2>\n                        \n                            <div class=\"castelis-content-text\">\n                    <p>Green IT, or responsible digital technology, refers to all practices aimed at <strong>reducing the environmental impact of digital technology<\/strong>, from the design of solutions through every stage of their lifecycle.<\/p>\n<p>All actions implemented point in the same direction: reducing the quantity of resources needed to produce and use a service. In this way, consumption is limited, unnecessary resource manufacturing is avoided, and the lifespan of devices \u2014 which represent the majority of <strong>digital technology&#8217;s environmental impact<\/strong> \u2014 is extended.<\/p>\n<section id=\"\" class=\"text-and-media with-subheading\">\n<div class=\"container\">\n<div class=\"row\">\n<div class=\"col-12 col-md-6 col-lg-5 offset-lg-1 tam-content small\"><\/div>\n<\/div>\n<\/div>\n<\/section>\n\n                <\/div>\n                        \n                    <\/div>\n        \n        \n        <div class=\"order-1 image-style-framed \">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/domenico-loia-EhTcC9sYXsw-unsplash.webp\" \n                    alt=\"What is Green IT?\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-content-image frame-black\" >\n    <div class=\"container align-items-center\"> \n        \n        <div class=\"order-1 content-wrapper \">\n                            <div class=\"content-image-hashtag hashtag-title\"># Manufacturing and electricity consumption<\/div>\n            \n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>Sources of environmental impact<\/div>\n                <\/h2>\n                        \n                            <div class=\"castelis-content-text\">\n                    <p>Specifically, the <a href=\"https:\/\/www.greenit.fr\/etude-empreinte-environnementale-du-numerique-mondial\/\" target=\"_blank\" rel=\"noopener\">sources of environmental impact<\/a> break down as follows:<\/p>\n<ul>\n<li>Manufacturing and electricity consumption of devices (47%)<\/li>\n<li>Electricity consumption and manufacturing of network infrastructure (28%)<\/li>\n<li>Electricity consumption of data centres and manufacturing of equipment (25%)<\/li>\n<\/ul>\n<p>At its scale, Castelis is able to act on the <strong>electricity consumption of devices and infrastructure.<\/strong><\/p>\n\n                <\/div>\n                        \n                            <div class=\"castelis-cta-wrapper\">\n                    <a href=\"#contact\" class=\"btn btn-tertiary\">\n                                                    Talk to an expert\n                                                            <i class=\"fas fa-chevron-right\"><\/i>\n                                                                        <\/a>\n                <\/div>\n                    <\/div>\n        \n        \n        <div class=\"order-2 image-style-framed \">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/luca-bravo-XJXWbfSo2f0-unsplash.webp\" \n                    alt=\"Sources of environmental impact\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-content-image frame-grey\" >\n    <div class=\"container align-items-center\"> \n        \n        <div class=\"order-2 content-wrapper \">\n            \n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>The environmental impact of digital technology<\/div>\n                <\/h2>\n                        \n                            <div class=\"castelis-content-text\">\n                    <p>According to converging studies and reports from Ademe, the Shift Project, and the Green IT collective, <strong>the impact of digital technology on the environment<\/strong> is considerable, both during the production of solutions and during their operation.<\/p>\n<p>Yet applying simple measures such as <strong>reducing the number of connected objects<\/strong> in favour of pooling and open APIs; replacing screens with <strong>less energy-intensive display devices<\/strong> such as VR\/AR or LED projectors; extending the lifespan of devices and <strong>fighting planned obsolescence<\/strong>; or <strong>eco-designing digital solutions<\/strong>, could have reduced the global carbon footprint of digital technology by 27 to 52% between 2010 and 2025, keeping it at its 2018 level despite 1.1 billion new users.<\/p>\n\n                <\/div>\n                        \n                    <\/div>\n        \n        \n        <div class=\"order-1 image-style-framed \">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/pixies-technology-785742_1280.webp\" \n                    alt=\"The environmental impact of digital technology\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-key-numbers\" >\n    <div class=\"container\">\n        <div class=\"key-numbers-grid\">\n                            <div class=\"key-number-item\">\n                    <div class=\"key-number-value\">10 %<\/div>\n                    <h3 class=\"key-number-label\">Share of digital devices and infrastructure in France&#039;s electricity consumption<\/h3>\n                                    <\/div>\n                                    <div class=\"key-number-separator\">\/<\/div>\n                                            <div class=\"key-number-item\">\n                    <div class=\"key-number-value\">7 %<\/div>\n                    <h3 class=\"key-number-label\">Estimated share of digital technology in France&#039;s GHG emissions by 2040 on the current model<\/h3>\n                                    <\/div>\n                                    <div class=\"key-number-separator\">\/<\/div>\n                                            <div class=\"key-number-item\">\n                    <div class=\"key-number-value\">9 %<\/div>\n                    <h3 class=\"key-number-label\">Annual increase in energy consumption for digital technology<\/h3>\n                                    <\/div>\n                                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-cards-panel alignment-horizontal bg-black heading-left\" >\n    <div class=\"container\">\n                    <div class=\"cards-panel-header\">\n                                    <div class=\"cards-panel-heading\">\n                        <span class=\"slash-prefix\">\/<\/span>\n                        <h2>The challenges of responsible digital for businesses<\/h2>\n                    <\/div>\n                                \n                                    <div class=\"cards-panel-description\">\n                        <h4>Compelling economic arguments<\/h4>\n<p>Beyond environmental considerations, businesses also have strong economic arguments to take the green IT turn as quickly as possible.<\/p>\n\n                    <\/div>\n                            <\/div>\n                \n                    <div class=\"cards-grid cards-grid-3\">\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-15.svg\" alt=\"Reduce operating costs\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Reduce operating costs<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">An eco-designed software or application consumes less energy, reducing spending on electricity, network infrastructure, server power, and cooling&#8230; It also increases equipment lifespan and thus limits and spaces out investment.<\/p>\n                                                                \n                                                            <\/div>\n                                            <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-15.svg\" alt=\"Anticipate regulations\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Anticipate regulations<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">Green IT approaches are increasingly accompanied by a desire for standardisation. The reflection on companies&#039; carbon debt, for example, suggests future regulations will be more demanding than current voluntary approaches.<\/p>\n                                                                \n                                                            <\/div>\n                                            <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-15.svg\" alt=\"Secure a competitive advantage\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Secure a competitive advantage<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">A more virtuous website or web application is valuable and can be differentiated from the competition. With the emergence of labels such as Green Code Label, companies are increasingly aware of Green IT issues and favour less energy-intensive solutions.<\/p>\n                                                                \n                                                            <\/div>\n                                            <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-15.svg\" alt=\"Boost performance\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Boost performance<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">The less energy a digital service consumes, the more performant it is \u2014 it loads faster, creates a more positive user experience, is better ranked by search engines, and therefore generates more business, meeting marketing and commercial objectives.<\/p>\n                                                                \n                                                            <\/div>\n                                            <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-15.svg\" alt=\"Improve brand image\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Improve brand image<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">A company mindful of its environmental impact and supported by concrete, measurable actions can communicate its results as part of its CSR approach. It therefore attracts new partners and clients, retains existing ones, and attracts new talent.<\/p>\n                                                                \n                                                            <\/div>\n                                            <\/div>\n                            <\/div>\n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-content-image frameless\" >\n    <div class=\"container align-items-center\"> \n        \n        <div class=\"order-2 content-wrapper  not-wide \">\n                            <div class=\"content-image-hashtag hashtag-title\"># Reducing Castelis&#039;s carbon footprint<\/div>\n            \n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>Taking action every day<\/div>\n                <\/h2>\n                        \n                            <div class=\"castelis-content-text\">\n                    <p><strong>Castelis&#8217;s actions to reduce its environmental impact are not new and go beyond Green IT.<\/strong> As evidenced by the latest CSR reports.<\/p>\n<ul>\n<li>Waste sorting and recycling, including IT waste;<\/li>\n<li>Threefold reduction in paper consumption;<\/li>\n<li>Responsible use of heating and air conditioning;<\/li>\n<li>Paperless operations and digitalisation of work tools;<\/li>\n<li>Use of eco-friendly cleaning products&#8230;<\/li>\n<\/ul>\n<p><strong>On the digital side, team members are trained in best practices across all departments:<\/strong><\/p>\n<ul>\n<li>Reducing the number and size of emails;<\/li>\n<li>Optimising the performance of internal software;<\/li>\n<li>Choosing less energy-intensive cloud servers;<\/li>\n<li>Purchasing less energy-intensive or even second-hand IT equipment&#8230;<\/li>\n<\/ul>\n\n                <\/div>\n                        \n                    <\/div>\n        \n        \n        <div class=\"order-1 image-style-background  is-wide \">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/02\/346909f64f079a9a4097debef365ef6b2453b863.png\" \n                    alt=\"Taking action every day\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-expertise-content-image\" >\n    <div class=\"container\">\n        \n        <div class=\"content-wrapper order-1\">\n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix-v2\">\/<\/span>\n                    <div>Green IT: where does Castelis stand?<\/div>\n                <\/h2>\n                        \n                            <div class=\"castelis-content-text\">\n                    <p>Castelis has been progressively developing its <strong>knowledge for responsible digital<\/strong> technology for several years. Teams across both infrastructure and custom development offerings regularly adopt new practices.<\/p>\n<p>Recently, the company has embarked on a <strong>training and certification programme<\/strong> to develop its <strong>eco-design expertise<\/strong> and reduce the energy consumption of the solutions it offers to its clients.<\/p>\n\n                <\/div>\n                        \n                            <div class=\"castelis-cta-curved\">\n                    <div class=\"bg-left-curve\"><\/div>\n                    <a href=\"#contact\" class=\"btn btn-tertiary\">\n                        Talk to an expert\n                        <i class=\"fas fa-chevron-right\"><\/i>\n                    <\/a>\n                    <div class=\"bg-right-curve\"><\/div>\n                <\/div>\n                    <\/div>\n        \n        \n        <div class=\"image-wrapper order-2\">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/wesfly-biBRoGc7ir0-unsplash.webp\" \n                    alt=\"Green IT: where does Castelis stand?\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-contact-form\"  id=\"contact\" >\n    <div class=\"container\">   \n                    <div class=\"contact-tag hashtag-title\">CONTACT<\/div>\n        \n                    <h2 class=\"contact-heading\">Contact us<\/h2>\n        \n        \n        <div class=\"contact-wrapper\">\n            \n            <div class=\"contact-form-side\">\n                                    <div class=\"contact-form-container\">\n                        \n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 9318812,\n\t\t\t\t\t\t\t\t\tformId: \"312183e0-8b6c-488d-ac79-af4a4fbc82fe\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1777381816000-7848768691\",\n\t\t\t\t\t\t\t\t\tregion: \"na1\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1777381816000-7848768691\"><\/div>\n                    <\/div>\n                            <\/div>\n\n            \n            <div class=\"contact-sidebar\">\n                <div class=\"sidebar-content\">\n                                            <h3 class=\"sidebar-heading\">Why choose us?<\/h3>\n                    \n                                            <div class=\"reasons-list\">\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n                                    <div class=\"reason-content\">\n                                        <h4 class=\"reason-title\">Technical expertise<\/h4>\n                                        <div class=\"reason-description\">15+ years of experience, AWS\/Azure certifications, modern stack<\/div>\n                                    <\/div>\n                                <\/div>\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n                                    <div class=\"reason-content\">\n                                        <h4 class=\"reason-title\">Proven method<\/h4>\n                                        <div class=\"reason-description\">100+ projects delivered, 95% client satisfaction, deadlines met<\/div>\n                                    <\/div>\n                                <\/div>\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n                                    <div class=\"reason-content\">\n                                        <h4 class=\"reason-title\">Ongoing support<\/h4>\n                                        <div class=\"reason-description\">TMA available, team training, 24\/7 monitoring<\/div>\n                                    <\/div>\n                                <\/div>\n                                                    <\/div>\n                    \n                                            <div class=\"satisfaction-rating\">\n                            <div class=\"rating-display\">\n                                <div class=\"rating-label\">Satisfaction score<\/div>\n                                <div class=\"rating-number\">4.8\/5<\/div>\n                            <\/div>\n                            <div class=\"rating-stars\">\n                                                                                                            <i class=\"fas fa-star\"><\/i>\n                                                                                                                                                <i class=\"fas fa-star\"><\/i>\n                                                                                                                                                <i class=\"fas fa-star\"><\/i>\n                                                                                                                                                <i class=\"fas fa-star\"><\/i>\n                                                                                                                                                <i class=\"fas fa-star-half-alt\"><\/i>\n                                                                                                <\/div>\n                                                    <\/div>\n                                    <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n            <div class=\"contact-form-image\">\n            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/designer-working-3d-model-2.png\" alt=\"\" \/>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":0,"parent":2293,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"class_list":["post-2295","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/comments?post=2295"}],"version-history":[{"count":4,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2295\/revisions"}],"predecessor-version":[{"id":2640,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2295\/revisions\/2640"}],"up":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2293"}],"wp:attachment":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/media?parent=2295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}