# Cloud Sustainability and Green IT

> Chapter 53 of the Courseiva AZ-900 curriculum — https://courseiva.com/learn/az-900/cloud-sustainability

**Official objective:** 1.5 — Cloud Concepts

## Introduction

This chapter covers cloud sustainability concepts. AZ-900 tests under 1.5.

## Green IT Practices

Turning off lights saves energy. Data centers use massive power; choosing energy-efficient approaches reduces environmental impact. Cloud providers often more efficient than individual on-premises data centers.

## Core explanation

Cloud sustainability refers to minimizing environmental impact: energy-efficient data centers, reducing waste. Cloud providers typically more efficient than on-premises for most organizations.

## Real-world context

Using Azure's carbon-aware regions reduces environmental impact compared to on-premises equipment.

## Exam focus

Objective 1.5 expects awareness of sustainability as a cloud consideration.

## Step by step

1. **Use managed services** — Managed services are often more efficient than self-managed.
2. **Right-size resources** — Avoid overprovisioning; use only what's needed.
3. **Choose efficient regions** — Some regions use more renewable energy.

## Key takeaways

- Cloud can be more energy-efficient than on-premises.
- Managed services reduce resource waste.
- Sustainability is an increasingly important consideration.

## FAQ

**How does cloud support sustainability?**

Cloud providers often operate more efficiently than individual on-premises data centers, with better power management and resource utilization.

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Interactive version with quiz and diagrams: https://courseiva.com/learn/az-900/cloud-sustainability