
Designing for the Planet: Why sustainable UX (SUX) must become our new digital compass
Beyond user-centricity: when the seamless harmony of digital experiences and the future of our planet become the ultimate priority in modern design.

Robert Sagi
Fractional Head of Design
For decades, maximizing user experience and business goals has been the ultimate law of digital design. But have we ever stopped to think about who or what else our decisions affect? Sustainable UX (SUX) breaks these traditional boundaries. It offers a human- and environment-centered approach where products don't just serve the user, but respect the wider ecosystem they belong to.
The Invisible Weight of the Digital World
The digital realm often feels like an immaterial illusion, but the physical reality is starkly different. "We tend to think that the internet exists in the cloud, when in reality, it is firmly on the ground, housed in massive data centers and thousands of miles of cables." The global energy consumption of the internet is staggering. In 2020, it accounted for about 4% of global $CO_2$ emissions; this share is expected to rise to 8% by 2030, and could reach up to 14% by 2040.
“A single website attracting 1 million visitors per month can easily emit 10 tons of $CO_2$ monthly.” – Green Web Foundation
The small choices we make during digital design—a redundant line of code, an oversized image, or a poorly structured layout—have direct ecological consequences. They increase energy consumption and thereby indirectly burden the global ecosystem. Data centers do not just consume vast amounts of energy; they also require massive amounts of freshwater to cool their servers, which poses a critical problem in water-scarce regions. Furthermore, mining the rare earth elements needed to manufacture computer chips causes severe ecological damage to the affected areas.
The Price of Great UX – What the User Doesn't See
Tony Fry aptly raised the question: "Does what we create justify what we destroy?"
The cost of an outstanding user experience is often paid by someone else, or by the environment itself.
Look at on-demand delivery platforms, for instance. They provide an incredibly convenient and friction-free experience for the end-user, but behind the scenes, couriers often work at a grueling pace, stripped of a social safety net and poorly compensated. The spotlight stays strictly on the user, while the needs of other stakeholders and the broader systemic impacts remain hidden in the shadows.
Kevin Slavin highlighted this systemic flaw years ago: "When designers put the user in the center, where do the needs and desires of the rest of the system go? The lens of the user obscures the ecosystem they affect." The limitation of the traditional UX toolkit is that it isolates the user from the complex system they belong to. Instead, we should strive for a balanced state that considers every actor within the system.
The Solution: Embedding SUX into the Design Process
Integrating the Sustainable UX (SUX) mindset is not merely an optional add-on; it must become a core value in our way of thinking.
"We need to transition from user-centered design to environment - and human -centered design." – Thorsten Jonas
An astonishing 80% of a product's emissions are determined right at the design phase (including engineering and development decisions). This carries immense responsibility, but it also represents a massive opportunity for designers and product creators to make a genuinely positive impact on the world. Sustainability shouldn't be an isolated step checked off at the end; it must form the absolute foundation of the entire product creation lifecycle, spanning strategy, research, ideation, information architecture, and UI design.
The first step is a fundamental paradigm shift: we must stop viewing the user as the center of the universe and start treating them as an equal participant within a shared system. This approach shares deep roots with life-centered design and planet-centric design.
SUX is about far more than just ethical and resource - efficient solutions. It redefines the very goals of user experience design by blending environmental consciousness with corporate and social responsibility. By expanding our focus from individual satisfaction to the broader impacts on ecosystems and communities, it empowers digital professionals to build a more sustainable and equitable future. This is the path that simultaneously serves the user, the business, and the long-term health of our planet.
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