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Environment Energy

Top 10 Best Carbon Emissions Management Software of 2026

Discover top carbon emissions management software to reduce your footprint. Compare features, streamline compliance, act sustainably – read our guide now.

Rajesh Patel

Rajesh Patel

Feb 11, 2026

10 tools comparedExpert reviewed
Independent evaluation · Unbiased commentary · Updated regularly
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As businesses and organizations worldwide intensify their commitment to climate action, carbon emissions management software has emerged as a vital tool for measuring, reducing, and reporting environmental impact. With a spectrum of solutions—ranging from AI-powered enterprise platforms to user-friendly tools for small and medium-sized enterprises—selecting the right software is key to driving actionable results, and this curated list highlights the most effective options available.

Quick Overview

  1. 1#1: Persefoni - AI-powered enterprise carbon accounting platform that automates Scope 1, 2, and 3 emissions tracking, reporting, and management.
  2. 2#2: Watershed - Comprehensive climate platform for measuring, reporting, and reducing carbon emissions across supply chains and operations.
  3. 3#3: Salesforce Net Zero Cloud - Integrated sustainability solution for tracking, analyzing, and acting on carbon emissions data within CRM ecosystems.
  4. 4#4: Microsoft Cloud for Sustainability - Cloud-based tools for managing Scope 1-3 emissions, sustainability reporting, and decarbonization strategies.
  5. 5#5: IBM Envizi - ESG suite focused on real-time carbon emissions data collection, analytics, and regulatory compliance reporting.
  6. 6#6: Sphera - Sustainability software for GHG emissions inventory, lifecycle assessments, and supply chain decarbonization.
  7. 7#7: Normative - Automated carbon accounting platform that calculates and manages emissions for businesses of all sizes.
  8. 8#8: Sweep - End-to-end carbon management tool for tracking, reducing, and offsetting emissions with AI-driven insights.
  9. 9#9: Greenly - User-friendly carbon accounting software for SMEs to measure and reduce their environmental footprint.
  10. 10#10: Terrascope - Climate action platform providing emissions measurement, forecasting, and reduction planning tools.

Tools were chosen based on their ability to deliver accurate emissions tracking, robust reporting capabilities, ease of use, and alignment with diverse organizational needs, ensuring a comprehensive and balanced ranking.

Comparison Table

In an era of growing sustainability demands, carbon emissions management software is essential for tracking, cutting, and reporting emissions. This comparison table features leading solutions such as Persefoni, Watershed, Salesforce Net Zero Cloud, Microsoft Cloud for Sustainability, IBM Envizi, and more, guiding readers to evaluate key traits like integration, usability, and functionality to select the right tool for their goals.

1Persefoni logo9.8/10

AI-powered enterprise carbon accounting platform that automates Scope 1, 2, and 3 emissions tracking, reporting, and management.

Features
9.9/10
Ease
8.7/10
Value
9.3/10
2Watershed logo9.2/10

Comprehensive climate platform for measuring, reporting, and reducing carbon emissions across supply chains and operations.

Features
9.5/10
Ease
8.4/10
Value
8.7/10

Integrated sustainability solution for tracking, analyzing, and acting on carbon emissions data within CRM ecosystems.

Features
9.2/10
Ease
7.8/10
Value
8.0/10

Cloud-based tools for managing Scope 1-3 emissions, sustainability reporting, and decarbonization strategies.

Features
9.2/10
Ease
7.8/10
Value
8.3/10
5IBM Envizi logo8.7/10

ESG suite focused on real-time carbon emissions data collection, analytics, and regulatory compliance reporting.

Features
9.2/10
Ease
7.8/10
Value
8.1/10
6Sphera logo8.6/10

Sustainability software for GHG emissions inventory, lifecycle assessments, and supply chain decarbonization.

Features
9.2/10
Ease
7.5/10
Value
8.0/10
7Normative logo8.4/10

Automated carbon accounting platform that calculates and manages emissions for businesses of all sizes.

Features
9.1/10
Ease
7.8/10
Value
8.0/10
8Sweep logo2.2/10

End-to-end carbon management tool for tracking, reducing, and offsetting emissions with AI-driven insights.

Features
0.8/10
Ease
8.5/10
Value
2.0/10
9Greenly logo8.4/10

User-friendly carbon accounting software for SMEs to measure and reduce their environmental footprint.

Features
8.7/10
Ease
9.1/10
Value
7.9/10
10Terrascope logo8.2/10

Climate action platform providing emissions measurement, forecasting, and reduction planning tools.

Features
8.7/10
Ease
8.0/10
Value
7.8/10
1
Persefoni logo

Persefoni

enterprise

AI-powered enterprise carbon accounting platform that automates Scope 1, 2, and 3 emissions tracking, reporting, and management.

Overall Rating9.8/10
Features
9.9/10
Ease of Use
8.7/10
Value
9.3/10
Standout Feature

AI-powered Climate Intelligence for automated, granular Scope 3 calculations across 200+ countries and millions of supplier datasets

Persefoni is an enterprise-grade carbon accounting platform designed to help organizations measure, manage, and report Scope 1, 2, and 3 greenhouse gas emissions with high accuracy and compliance. It automates data collection from ERP systems, spend data, and supplier inputs using AI and machine learning to handle complex calculations aligned with GHG Protocol, SEC, and CSRD standards. The platform delivers actionable insights, scenario modeling, and audit-ready reports to drive decarbonization strategies.

Pros

  • Unparalleled Scope 3 emissions granularity with AI-driven spend-based and supplier-specific modeling
  • Seamless integrations with ERP, procurement, and sustainability data sources for automated workflows
  • Proven scalability for Fortune 500 companies with robust audit trails and regulatory compliance tools

Cons

  • Enterprise pricing is steep and opaque, often requiring custom quotes unsuitable for SMBs
  • Initial setup demands significant data mapping and IT involvement
  • Advanced features may overwhelm users without dedicated sustainability teams

Best For

Large enterprises and multinationals with complex global supply chains requiring precise Scope 3 accounting and regulatory reporting.

Pricing

Custom enterprise pricing via quote, typically ranging from $100K+ annually based on emissions volume, users, and modules.

Visit Persefonipersefoni.com
2
Watershed logo

Watershed

enterprise

Comprehensive climate platform for measuring, reporting, and reducing carbon emissions across supply chains and operations.

Overall Rating9.2/10
Features
9.5/10
Ease of Use
8.4/10
Value
8.7/10
Standout Feature

AI-powered Climate Data Engine for the industry's most accurate spend- and activity-based emissions factors

Watershed is a comprehensive climate platform designed for enterprises to measure, report, and reduce carbon emissions across Scopes 1, 2, and 3 with high accuracy. It leverages AI-powered models trained on vast datasets to automate emissions calculations from diverse data sources like procurement, travel, and cloud usage. The platform also offers decarbonization roadmaps, scenario modeling, and regulatory reporting tools to support net-zero ambitions.

Pros

  • Exceptionally accurate AI-driven emissions calculations using proprietary machine learning models
  • Seamless integrations with 100+ enterprise data sources for automated data ingestion
  • Expert-led support including climate consultants for strategy and compliance

Cons

  • High enterprise-level pricing not suitable for SMBs
  • Steep initial setup and onboarding for complex organizations
  • Limited transparency on pricing without a demo

Best For

Large enterprises with complex supply chains seeking precise Scope 3 emissions management and regulatory compliance.

Pricing

Custom enterprise pricing via quote, typically starting at $100,000+ annually based on company size and usage.

Visit Watershedwatershed.com
3
Salesforce Net Zero Cloud logo

Salesforce Net Zero Cloud

enterprise

Integrated sustainability solution for tracking, analyzing, and acting on carbon emissions data within CRM ecosystems.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
7.8/10
Value
8.0/10
Standout Feature

Einstein AI for predictive emissions forecasting and personalized reduction recommendations

Salesforce Net Zero Cloud is a comprehensive sustainability platform designed to help organizations track, manage, and reduce carbon emissions across Scopes 1, 2, and 3. It integrates seamlessly with the Salesforce CRM ecosystem, leveraging Einstein AI for emissions forecasting, scenario modeling, and actionable insights. The solution supports regulatory reporting, supplier engagement, and goal-setting to achieve net-zero ambitions.

Pros

  • Deep integration with Salesforce CRM for unified data management
  • AI-powered forecasting and scenario planning for emissions reduction
  • Comprehensive Scope 1-3 tracking with validated calculation methodologies

Cons

  • Steep learning curve and setup complexity for non-Salesforce users
  • High enterprise-level pricing without transparent tiers
  • Heavy reliance on custom development for advanced configurations

Best For

Large enterprises already using Salesforce that want to integrate carbon management into their CRM workflows.

Pricing

Custom enterprise pricing via contact sales; typically starts at $5,000-$20,000/month based on users, data volume, and add-ons.

4
Microsoft Cloud for Sustainability logo

Microsoft Cloud for Sustainability

enterprise

Cloud-based tools for managing Scope 1-3 emissions, sustainability reporting, and decarbonization strategies.

Overall Rating8.6/10
Features
9.2/10
Ease of Use
7.8/10
Value
8.3/10
Standout Feature

AI-driven Scope 3 emissions estimation using Microsoft Sustainability Data Models and Copilot integration for predictive insights

Microsoft Cloud for Sustainability is an enterprise-grade suite that enables organizations to measure, manage, and report on Scope 1, 2, and 3 carbon emissions using AI-driven calculations and data integration. It leverages Microsoft Azure, Power Platform, and Fabric for scalable data processing, scenario modeling, and regulatory compliance reporting aligned with GHG Protocol and CSRD standards. The platform turns complex sustainability data into actionable insights, helping businesses accelerate their net-zero journeys through predictive analytics and collaboration tools.

Pros

  • Seamless integration with Microsoft ecosystem (Azure, Power BI, Dynamics 365)
  • AI-powered emissions calculations and scenario modeling for Scopes 1-3
  • Robust compliance reporting and real-time analytics

Cons

  • Steeper learning curve for non-Microsoft users
  • Pricing lacks transparency and can be costly for smaller organizations
  • Limited standalone appeal outside Microsoft environments

Best For

Large enterprises deeply embedded in the Microsoft ecosystem looking for scalable, integrated carbon management.

Pricing

Custom enterprise pricing via sales quote; often bundled with Microsoft 365 E5 or Azure consumption, starting around $5-10/user/month for core features plus variable data processing costs.

5
IBM Envizi logo

IBM Envizi

enterprise

ESG suite focused on real-time carbon emissions data collection, analytics, and regulatory compliance reporting.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
7.8/10
Value
8.1/10
Standout Feature

Sustainability Data Operating System with AI-driven data confidence scoring and automated harmonization from disparate sources

IBM Envizi is a robust enterprise-grade sustainability platform specializing in carbon emissions management, offering automated data collection, Scope 1, 2, and 3 GHG accounting per GHG Protocol standards, and compliance reporting for CDP, CSRD, and SEC requirements. It harmonizes data from over 100 sources including ERP systems, IoT sensors, and spend data for accurate emissions calculations and decarbonization insights. Leveraging IBM's AI capabilities, it provides scenario modeling and benchmarking to drive net-zero strategies at scale.

Pros

  • Comprehensive Scope 1-3 emissions tracking with granular Category 15+ support
  • Extensive integrations (100+ connectors) for automated data ingestion
  • Advanced AI-powered forecasting, scenario analysis, and regulatory reporting

Cons

  • High enterprise-level pricing with custom quotes
  • Steep implementation and learning curve for complex setups
  • Less ideal for small to mid-sized organizations due to scalability focus

Best For

Large enterprises with diverse data sources needing scalable, compliant carbon accounting and ESG reporting.

Pricing

Custom enterprise subscription pricing, typically starting at $75,000-$150,000 annually based on modules, users, and data volume.

6
Sphera logo

Sphera

enterprise

Sustainability software for GHG emissions inventory, lifecycle assessments, and supply chain decarbonization.

Overall Rating8.6/10
Features
9.2/10
Ease of Use
7.5/10
Value
8.0/10
Standout Feature

Advanced Scope 3 emissions calculation using supplier-specific LCA data and AI analytics

Sphera is a robust enterprise sustainability platform focused on carbon emissions management, enabling organizations to track, calculate, and report Scope 1, 2, and 3 emissions with high accuracy. It integrates lifecycle assessment (LCA), AI-driven analytics, and regulatory compliance tools to support decarbonization strategies. Designed for complex supply chains, it helps manufacturing and chemical industries achieve ESG goals and net-zero targets.

Pros

  • Comprehensive Scope 3 emissions tracking with LCA integration
  • Strong regulatory reporting and compliance automation
  • AI-powered forecasting and scenario modeling for reduction strategies

Cons

  • Steep learning curve for non-expert users
  • High enterprise-level pricing limits accessibility
  • Interface feels dated compared to newer SaaS tools

Best For

Large manufacturing or chemical enterprises with complex supply chains needing advanced Scope 3 management and compliance.

Pricing

Custom enterprise subscription pricing upon request; typically starts at $50,000+ annually based on modules and users.

Visit Spherasphera.com
7
Normative logo

Normative

specialized

Automated carbon accounting platform that calculates and manages emissions for businesses of all sizes.

Overall Rating8.4/10
Features
9.1/10
Ease of Use
7.8/10
Value
8.0/10
Standout Feature

Automated spend-based Scope 3 emissions calculation with direct supplier data validation

Normative (normative.io) is a comprehensive carbon accounting platform designed to help businesses measure, reduce, and report Scope 1, 2, and 3 emissions with high accuracy. It automates data collection from spend data, ERP systems, and suppliers, using validated methodologies for emissions calculations. The platform provides dashboards, scenario modeling, and compliance-ready reports to drive decarbonization strategies.

Pros

  • Exceptional Scope 3 coverage with spend-based calculations and supplier engagement tools
  • Seamless integrations with ERP, procurement, and financial systems for automated data flows
  • Robust reporting and analytics for regulatory compliance like CSRD, SEC, and CDP

Cons

  • Enterprise-focused pricing can be prohibitive for SMBs
  • Initial setup requires significant data mapping and expertise
  • Limited customization for non-standard emission factors

Best For

Mid-to-large enterprises with complex supply chains needing advanced Scope 3 emissions management.

Pricing

Custom enterprise pricing, typically starting at $50,000+ annually based on company size and modules.

Visit Normativenormative.io
8
Sweep logo

Sweep

specialized

End-to-end carbon management tool for tracking, reducing, and offsetting emissions with AI-driven insights.

Overall Rating2.2/10
Features
0.8/10
Ease of Use
8.5/10
Value
2.0/10
Standout Feature

AI-generated pull requests that automatically fix code issues

Sweep (sweep.dev) is an AI-powered coding assistant that integrates with GitHub to automatically detect issues like bugs, security vulnerabilities, and performance problems in codebases, then generates and submits pull requests to fix them. Primarily designed for developers to streamline code maintenance and improve software quality, it has no native features for tracking, measuring, reporting, or managing carbon emissions across Scope 1, 2, or 3 categories. Any environmental benefits are purely indirect, such as through code optimizations that might reduce server compute time and energy consumption.

Pros

  • Seamless GitHub integration for automated code fixes
  • User-friendly setup for development teams
  • Potential indirect energy savings via performance optimizations

Cons

  • Zero direct carbon emissions tracking or reporting tools
  • No support for emissions data collection, Scope analysis, or compliance standards like GHG Protocol
  • Irrelevant for non-technical carbon management needs

Best For

Software development teams seeking minor indirect efficiency gains that could marginally reduce compute-related emissions, but not dedicated carbon accountants or sustainability managers.

Pricing

Free for public/open-source repositories; Pro plan at $29/developer/month (up to 4 devs); Enterprise custom pricing.

Visit Sweepsweep.net
9
Greenly logo

Greenly

specialized

User-friendly carbon accounting software for SMEs to measure and reduce their environmental footprint.

Overall Rating8.4/10
Features
8.7/10
Ease of Use
9.1/10
Value
7.9/10
Standout Feature

AI automation that calculates comprehensive Scope 3 emissions directly from accounting data in minutes

Greenly is an AI-powered carbon management platform that automates the measurement, reduction, and reporting of Scope 1, 2, and 3 emissions for businesses. It integrates seamlessly with accounting software like QuickBooks, Xero, and NetSuite to pull spend data and calculate footprints accurately without manual input. The tool offers personalized reduction plans, offset recommendations, and compliance reports for standards like CSRD and GHG Protocol.

Pros

  • Automated AI-driven emissions calculations from spend data, minimizing manual effort
  • Strong integrations with popular accounting and e-commerce platforms
  • User-friendly interface ideal for non-experts with actionable reduction recommendations

Cons

  • Pricing can be steep for very small businesses or startups
  • Limited advanced analytics and scenario modeling compared to enterprise competitors
  • Scope 3 coverage relies heavily on spend-based methods, which may lack granularity for complex supply chains

Best For

SMEs and mid-sized companies seeking an easy-to-deploy solution for quick carbon footprint measurement and regulatory reporting without dedicated sustainability teams.

Pricing

Subscription-based starting at €499/month for basic plans (up to 5M€ revenue), scaling to custom enterprise pricing.

Visit Greenlygreenly.earth
10
Terrascope logo

Terrascope

specialized

Climate action platform providing emissions measurement, forecasting, and reduction planning tools.

Overall Rating8.2/10
Features
8.7/10
Ease of Use
8.0/10
Value
7.8/10
Standout Feature

One-click, real-time cloud emissions monitoring with native AWS, Azure, and GCP integrations

Terrascope is a carbon management platform that automates the measurement, analysis, and reduction of Scope 1, 2, and 3 emissions, with a strong focus on cloud infrastructure. It integrates directly with major cloud providers like AWS, Azure, and GCP to pull real-time data, calculate footprints using industry-standard methodologies, and provide AI-powered insights for decarbonization. The tool supports scenario modeling, compliance reporting, and offset management to help organizations achieve net-zero goals efficiently.

Pros

  • Seamless integrations with cloud providers for automated, real-time emissions data
  • AI-driven insights and scenario planning for actionable reduction strategies
  • Robust reporting for GHG Protocol compliance and stakeholder transparency

Cons

  • Limited native support for non-cloud or supply chain emissions tracking
  • Pricing can be steep for small businesses without enterprise-scale needs
  • Customization options for advanced users feel somewhat basic

Best For

Mid-sized tech and SaaS companies with significant cloud footprints seeking automated carbon accounting and insights.

Pricing

Custom quote-based pricing starting around $10,000/year for mid-tier plans; scales with emissions volume and features.

Visit Terrascopeterrascope.co

Conclusion

The reviewed tools demonstrate the breadth of innovation in carbon emissions management, with Persefoni leading as the top choice for its AI-driven enterprise solutions that streamline Scope 1-3 tracking and reporting. Watershed excels in supply chain and operational decarbonization, while Salesforce Net Zero Cloud integrates seamlessly within CRM ecosystems, offering strong alternatives for specific needs. Together, they showcase the diversity of approaches to climate action, making it clear that technology is pivotal in driving meaningful change.

Persefoni logo
Our Top Pick
Persefoni

Begin your sustainability journey by exploring Persefoni—its robust platform can help your organization measure, manage, and reduce emissions effectively, setting the foundation for long-term climate resilience.