# 00 - Green Software Foundation Principles: Carbon Efficiency for Devs

Green Software Foundation core principles: carbon efficiency, energy efficiency and carbon awareness for developers.

## What you'll learn

- Practical Strategies for Carbon Efficiency
- Energy Efficiency Patterns in Code
- APIs and Tools for Carbon Awareness
- The SCI Formula
- Practical Example: SCI Calculation for a REST API

*This article is part of the **Green Software** series on federicocalo.dev.*

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## Read the full article

The complete article (22 min read) with code examples, diagrams, and practical exercises is available here:

**➡️ [00 - Green Software Foundation Principles: Carbon Efficiency for Devs](https://federicocalo.dev/en/blog/green-software-foundation-principles-carbon-efficiency)**

`https://federicocalo.dev/en/blog/green-software-foundation-principles-carbon-efficiency`

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*By [Federico Calò](https://federicocalo.dev) — Software Developer & Technical Writer*