Published on: July 9, 2026 5 min read CI/CD pipelines have a hidden carbon cost. Here's why measuring it matters, and how you can get started with Eco CI and Carmen in GitLab. A typical software team runs hundreds of CI/CD jobs a day. Each one runs on compute and burns energy that doesn't show up in your pipeline logs, including its carbon impact. That invisibility is exactly the problem. You can'...