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Reduce Your Cloud Footprint: A Guide to Azure Carbon Optimization

The cloud offers unparalleled scalability and power for businesses, but with that power comes a hidden cost - the environmental impact of data centers. In this guide, you'll learn how to navigate a greener cloud path with Azure Carbon Optimization.

This comprehensive guide will equip you with the knowledge to:

  • Understand the importance of carbon optimization in Azure.

  • Explore the features of Azure Carbon Optimization.

  • Gain practical knowledge on using Azure Carbon Optimization to analyze your Carbon footprint.

  • See real-world examples of how it is used to reduce carbon footprint.

By the end of this guide, you'll be empowered to take concrete steps towards a more sustainable cloud environment with Azure.

Azure is a cloud computing service created by Microsoft. It provides services, from storage and databases to artificial intelligence and machine learning. Azure is one of the leading cloud platforms globally, offering businesses a scalable and cost-effective way to access and manage their IT resources.

Carbon optimization refers to the process of reducing the environmental impact of something, in this case, your cloud computing usage. It involves strategies to minimize the carbon footprint associated with the energy used to power and cool the data centers that run cloud services.

By optimizing their cloud resources with Azure, businesses can achieve their computing goals, and also contribute to a more sustainable future.

Carbon Optimization in Azure

Every bit counts in the cloud. While Azure offers a powerful and scalable solution, its operation relies on data centers that consume a significant amount of energy. This energy use creates a hidden cost - your Azure carbon footprint.

The carbon footprint refers to the total greenhouse gas emissions associated with the entire lifecycle of a product or service. In Azure, this includes the energy used to power the servers, storage, and network that run your cloud resources. The more resources you use, the larger your carbon footprint becomes.

Why Reduce Carbon Emissions in Azure?

Reducing your carbon footprint in Azure is critical for several reasons:

  • Environmental Responsibility: Microsoft is committed to sustainability, and Azure offers tools to help you be part of the solution. By optimizing your Azure usage, you can minimize your environmental impact and contribute to a greener cloud.

  • Cost Optimization: Energy efficiency often leads to cost savings. Optimizing your Azure resources can reduce your overall energy consumption, leading to lower operational costs.

  • Staying Ahead of Regulations: As environmental concerns grow, regulations around emissions are becoming stricter. By taking proactive steps to reduce your Azure footprint now, you can ensure your business remains compliant.

  • Enhanced Brand Image: Consumers are increasingly environmentally conscious. Demonstrating a commitment to carbon optimization in Azure can improve your brand image and attract eco-conscious customers and partners.

Optimizing your Azure environment for sustainability is not just about the environment, it's about smart business practices. By reducing your carbon footprint, you can contribute to a positive impact while potentially saving money and strengthening your brand.

Features of Azure Carbon Optimization

Azure offers a robust set of features to help you measure and minimize your Azure footprint:

  • Granular emissions data: This feature provides you with detailed information on the carbon footprint of your Azure resources. You can see breakdowns by subscription, resource group, resource, service, and location.

  • Access based on Azure RBAC: You can control access to the Azure carbon optimization features using Azure Role-Based Access Control (RBAC). This ensures that only authorized users can view your emissions data.

  • Breakdowns by subscription, resource group, resource, service, and location: This feature allows you to see how your carbon footprint is distributed across different parts of your Azure environment. This can help you identify areas where you can make the biggest reductions.

  • REST APIs and exports: You can use REST APIs to programmatically access your emissions data. You can also export your data to other tools for further analysis.

  • Carbon reduction recommendations: Azure carbon optimization tool provides recommendations to help you reduce your carbon footprint. These recommendations can include right-sizing your virtual machines, using Azure Spot VMs for bursty workloads, or utilizing auto-scaling to optimize resource utilization.

Microsoft Sustainability Offerings

Microsoft offers additional tools beyond Azure Carbon Optimization to support your sustainability goals:

  • Microsoft Sustainability Manager: This is a comprehensive sustainability management tool that helps you track your environmental impact across your entire organization, not just your Azure resources.

  • Emissions Impact Dashboard: This dashboard provides a high-level overview of your carbon footprint from your Azure resources.

  • Microsoft Azure emissions insights (preview): This is a new tool that provides insights into the emissions associated with your Azure resources.

How to Analyse your Azure Carbon footprint using Azure Carbon Optimization?

STEP 1: Sign in to the Azure portal.

STEP 2: In the search box, type Carbon Optimization and select Carbon Optimization (preview).

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STEP 3: On the Carbon optimization page, select Subscriptions to filter the subscriptions for which you want to see the emissions data. You can choose one or more subscriptions.

carbon footprint 2

STEP 4: Select the subscriptions you want to analyze and select Apply. Use the Resource group and Emissions type filters to focus the emissions data to a specific resource group or emissions type.

After completing these steps, you can use the Azure carbon optimization blade to view and analyze your carbon emission data and insights.

This includes:

  • Viewing emissions trends to understand patterns in your cloud emissions.

carbon footprint 3

  • Identifying factors that affect your carbon footprint.

  • Viewing your monthly carbon emission data over the last 12 months.

  • Viewing the total emissions values with emissions equivalents.

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  • Viewing a breakdown of emissions by service and by location.

  • Identifying top opportunities for emissions reduction.

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  • Gaining deeper insights into your resources' emissions.

  • Viewing a detailed breakdown of your carbon emission by subscription, resource group, resource, service, and location.

Azure’s Approach to Carbon Optimization

Microsoft recognizes the environmental impact of cloud computing and is committed to building a more sustainable future. Here's how Azure approaches carbon optimization:

Sustainability Commitments:

  • Carbon Negative by 2030: Microsoft has a bold goal to be carbon negative by 2030, which means removing more carbon from the environment than it emits. This includes the emissions associated with Azure.

  • 100% Renewable Energy: Microsoft is committed to powering its Azure data centers with 100% renewable energy by 2025. This significantly reduces the carbon footprint of Azure services.

  • Transparency and Accountability: Microsoft publishes annual sustainability reports detailing its progress towards its goals. They are transparent about their emissions and the efforts they are making to reduce them.

Azure's Carbon Optimization Strategies:

  • Azure Carbon Optimization Tool: This free tool within the Azure portal helps users measure and minimize their Azure footprint. It provides insights into resource usage and emissions, along with recommendations for optimization.

  • Sustainable Server Technologies: Microsoft is constantly innovating to develop more energy-efficient server technologies. This reduces the overall energy consumption of Azure data centers.

  • Renewable Energy Procurement: Microsoft invests in renewable energy sources like solar and wind power to supply its data centers. This reduces reliance on fossil fuels and lowers Azure's carbon footprint.

  • Sustainable Design Principles: Data centers are designed and built with sustainability in mind, using energy-saving techniques for cooling and power distribution.

By implementing these strategies, Microsoft is making Azure a more sustainable cloud platform. Businesses can leverage Azure's built-in tools and Microsoft's commitment to renewables to optimize their cloud environment and reduce their environmental impact.

Practical Usage

Here are some practical steps that businesses can take to reduce carbon emissions in Azure:

1. Use Azure Advisor for Optimization Recommendations Azure Advisor identifies idle and underutilized resources and shows the associated carbon and cost savings of implementing the recommendations. Recommendations may include shutting down idle virtual machines and rightsizing virtual machines.

2. Act on the Recommendations To act on a recommendation, select the resource name or the text in the Recommendation column. This will take you to the action page for the resource, such as the resize page, instance count change page, or the resource overview page for delete recommendations.

3. Convert Emissions Savings into Equivalents The Greenhouse Gas Equivalencies calculator allows you to convert emissions data to the equivalent amount of carbon dioxide (CO2) emitted by using that amount1. This calculator may be useful in communicating your greenhouse gas reduction strategy, reduction targets, or other initiatives aimed at reducing greenhouse gas emissions.

4. Analyze Your Carbon Emission Data and Insights Azure carbon optimization helps you measure and understand your carbon footprint by providing you with data on your cloud emissions. You can use the Azure carbon optimization blade to view and analyze your carbon emission data and insights and take action to optimize your cloud sustainability and efficiency.


You can significantly reduce your carbon footprint and contribute to a more sustainable future by using Azure Carbin Optimization and the knowledge you gained in this guide. Optimizing your Azure resources is not just about environmental responsibility; it's a smart business decision. Reduced energy consumption translates to lower costs, while a commitment to sustainability strengthens your brand image and attracts eco-conscious customers and partners.

Remember, every bit counts. By taking advantage of Azure's built-in tools and Microsoft's dedication to renewable energy, you can ensure your cloud journey is on a path towards a greener tomorrow. Start optimizing your Azure environment today and experience the win-win of environmental responsibility and a thriving business.


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