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ISO/IEC TS 20125: The New International Specification for Digital Services Ecodesign

June 25, 2026 · Luís Cruz

ISO/IEC TS 20125-1:2026 is the first ISO/IEC technical specification for digital services ecodesign. Here's what it is, why it matters, and what organisations need to do about it.

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RGESN and GSP™: Two Different Answers to the Same Question

March 03, 2026 · Luís Cruz

RGESN and GSP™ are often mentioned in the same breath. They are not the same thing and understanding the difference matters if you are serious about sustainable software engineering.

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Your ESG Report Won't Fix Your Code: Why Software Products Need More Than Just a Sustainability Badge

February 20, 2026 · Luís Cruz

B Corp, ISO 14001, SBTi — these certifications audit your company. They don't make your code more efficient. Here's where Green Software Practices™ fits in the sustainability stack.

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Your GHG Report is Lying to You: Why Carbon Accounting is Failing Software Engineering

February 13, 2026 · Luís Cruz

Your carbon-neutral badge looks great. But if your code is inefficient, you're just wasting someone else's renewable energy. Why GHG reporting creates a dangerous blind spot for software teams.

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Will the AI act make AI green?

February 06, 2026 · Luís Cruz

The EU AI Act enters full application in 2026 and includes sustainability provisions for AI systems. We examine what it actually requires — and whether it will make AI any greener.

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What no one is telling you about measuring energy of software.

January 20, 2026 · Luís Cruz

Measuring software energy consumption is harder than it sounds — and most teams aren't doing it. Here's why it matters and what makes it so difficult to get right.

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Why do we need GSP™ when we have Blauer Engel?

January 09, 2026 · Luís Cruz

Germany's Blauer Engel eco-label now certifies software products. Here's what it covers, where it falls short, and why GSP™ goes further for teams serious about energy efficiency.

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