Best of LinkedIn: Sustainability & Green ICT CW 20/ 21

Over the past two weeks, the conversation on sustainable digital technology has shifted from intention to execution. Practitioners showcased measurable efficiency wins, regulators sharpened the mandate for transparency, and a wave of new tools and alliances signaled that green ICT is moving into its operational phase.

Date

May 14, 2025

Sustainability & Green ICT

Thomas Allgeyer

Methodology: Every two weeks we collect most relevant posts on LinkedIn for selected topics and create an overall summary only based on these posts. If you´re interested in the single posts behind, you can find them here: https://linktr.ee/thomasallgeyer. Have a great read!

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Green AI & Model Efficiency

Thought leaders advanced “frugal AI,” detailing code- and model-level tuning that cuts compute demand while protecting accuracy
Saudi Arabia detailed a liquid-cooled, Nvidia-enabled build-out that aligns hyperscale AI growth with carbon-reduction targets
Practical case studies (e.g., DeepSeek) demonstrated that disciplined optimization can slash both operating cost and emissions in production workloads

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Green Software & GreenOps

Developers laid out step-by-step approaches for embedding emissions metrics directly into agile workflows, reinforcing “measure first” as the new norm
Certification courses and community training positioned GreenOps as a repeatable discipline for shrinking the footprint of digital services

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Data-Center & Cloud Efficiency

Multi-cloud placement strategies and Azure fine-tuning delivered double-digit cost cuts and roughly 50 % lower carbon output in live environments
Nordic hosting locations and liquid cooling emerged as preferred levers for high-density, energy-intensive workloads

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Policies, Standards & Governance

The German Environment Agency warned that IT’s share of global emissions could climb to 26 % by 2030, underscoring the need for stronger policy action
A landmark “Green AI” paper called for an integrated, global standard to govern the full AI lifecycle from training to deployment

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Tools, Products & Methodologies

EU pilots for Digital Product Passports showcased end-to-end traceability that can turn emission data into asset-grade information
New launches included OxygenIT’s cloud carbon calculator and a public Green Software Tool Landscape, giving architects clearer build-versus-buy choices

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Partnerships & Ecosystem Initiatives

Cross-border alliances such as the evolution from Open19 to SSIA highlighted industry resolve to build shared sustainable-tech ecosystems
Hackathons, roadshows and regional meet-ups convened practitioners who are now pooling IP and best practices rather than reinventing them in silos

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Events & Community Engagement

The Green IO Conference (New York) and Green IT Conference (Berlin) surfaced practitioner playbooks for carbon-aware architecture and award-winning software
Forums from Singapore to Zürich connected investors, policymakers and engineers, shifting sustainability from talking point to shared delivery agenda

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Market Outlook & Business Cases

Commentators stressed that climate-tech survival is anchored in economics, not politics, urging investors to focus on durable revenue models
Procurement leads were encouraged to hard-wire green criteria into RFPs, signalling rising demand pressure across the ICT supply chain

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