ESG Tools & Resources
ESG Tools & Resources — comprehensive ESG resource from ESG Hub, an open-access encyclopedia by Ascent Partners Foundation.
ESG Tools & Resources
Curated directory of essential tools, databases, and platforms for ESG reporting, carbon accounting, data management, and sustainability implementation.
Carbon Accounting & Climate Tools
GHG Emissions Calculation
GHG Protocol Calculation Tools
Free Excel-based tools for calculating Scope 1, 2, and 3 emissions across sectors.
Use For: Corporate carbon footprinting, GHG inventory preparation
Cost: Free
Watershed
Carbon accounting and climate program management platform.
Features: Automated data collection, Scope 3 estimation, decarbonization roadmap, supplier engagement
Use For: Enterprise carbon management
Cost: Enterprise pricing (contact for quote)
Persefoni
Carbon accounting and climate disclosure platform aligned with TCFD, IFRS S2, SEC.
Features: Carbon accounting, scenario analysis, regulatory reporting, assurance-ready data
Use For: Financial institutions, corporates preparing climate disclosures
Cost: Enterprise pricing
Plan A
Carbon management and ESG reporting platform for SMEs and enterprises.
Features: Carbon footprint calculation, reduction planning, ESG reporting
Use For: Mid-market companies
Cost: Subscription-based
Emission Factor Databases
DEFRA Emission Factors
UK government emission factors for Scope 1, 2, 3 calculations.
Coverage: Energy, transport, waste, water, materials
Cost: Free
EPA Emission Factors
US EPA emission factors for GHG inventory.
Coverage: Stationary combustion, mobile sources, electricity
Cost: Free
Ecoinvent
Life cycle inventory database with 18,000+ datasets.
Coverage: Global, multi-sector, cradle-to-grave LCA data
Cost: Subscription-based (academic discounts available)
EXIOBASE
Global multi-regional environmentally extended input-output (MRIO) database.
Use For: Scope 3 spend-based calculations, economy-wide footprints
Cost: Free (academic), paid (commercial)
Climate Risk & Scenario Analysis
OS-Climate
Open-source platform for climate risk analysis and scenario modeling.
Features: Physical risk, transition risk, portfolio climate alignment
Cost: Free (open-source)
Climate Risk Engines
Physical climate risk assessment for assets and portfolios.
Features: Hazard mapping, asset-level risk scores, adaptation planning
Use For: Real estate, infrastructure, supply chain risk
Cost: Enterprise pricing
NGFS Scenarios
Network for Greening the Financial System climate scenarios.
Use For: TCFD scenario analysis, stress testing
Cost: Free
ESG Reporting & Disclosure Platforms
Comprehensive ESG Software
Workiva
Enterprise ESG reporting and data management platform.
Features: Multi-framework reporting (GRI, SASB, TCFD, ESRS), data collection workflows, assurance-ready controls
Use For: Large enterprises, multi-framework reporting
Cost: Enterprise pricing
Enablon (Wolters Kluwer)
Integrated ESG, EHS, and risk management platform.
Features: ESG reporting, carbon management, compliance, risk
Use For: Enterprises with complex ESG/EHS needs
Cost: Enterprise pricing
Sphera
ESG performance and risk management software.
Features: ESG reporting, product stewardship, supply chain sustainability
Use For: Manufacturing, chemicals, automotive sectors
Cost: Enterprise pricing
Brightest
ESG data management and reporting platform.
Features: Multi-framework reporting, stakeholder surveys, materiality assessment
Use For: Mid-market companies
Cost: Subscription-based
Specialized Reporting Tools
CDP Online Response System
Platform for responding to CDP climate, water, and forests questionnaires.
Use For: CDP disclosure, investor engagement
Cost: Free for responders
GRI Data Partner Program
Software partners certified for GRI Standards reporting.
Partners: Workiva, Enablon, Brightest, and others
Use For: GRI-aligned sustainability reporting
Data & Benchmarking
ESG Data Providers
MSCI ESG Ratings
ESG ratings and research for 14,000+ companies.
Use For: Benchmarking, investor analysis, peer comparison
Cost: Subscription-based
Sustainalytics
ESG risk ratings and research.
Use For: ESG risk assessment, benchmarking
Cost: Subscription-based
Refinitiv ESG Data
ESG scores and data for 11,000+ companies.
Use For: Financial analysis, portfolio screening
Cost: Subscription-based
Bloomberg ESG Data
ESG data integrated into Bloomberg Terminal.
Use For: Financial professionals, ESG analysis
Cost: Bloomberg Terminal subscription
Benchmarking Tools
SASB Materiality Finder
Industry-specific material ESG topics and metrics.
Use For: Materiality assessment, peer benchmarking
Cost: Free
SBTi Target Dashboard
Database of companies with science-based targets.
Use For: Benchmarking climate ambition
Cost: Free
Corporate Knights Global 100
Annual ranking of most sustainable corporations.
Use For: Benchmarking sustainability leaders
Cost: Free (public rankings)
Supply Chain & Supplier Management
EcoVadis
Supplier sustainability ratings and scorecards.
Features: ESG assessments, corrective action plans, supplier engagement
Use For: Supply chain due diligence, procurement
Cost: Subscription-based
Manufacture 2030
Supply chain carbon management and engagement platform.
Features: Supplier carbon footprinting, reduction programs, data collection
Use For: Scope 3 Category 1 (purchased goods/services)
Cost: Subscription-based
Sedex
Ethical supply chain data exchange.
Features: Labor practices, health & safety, environment, business ethics
Use For: Social compliance, supply chain transparency
Cost: Membership-based
Nature & Biodiversity
TNFD LEAP Tool
Guidance for TNFD LEAP approach (Locate, Evaluate, Assess, Prepare).
Use For: Nature-related risk assessment
Cost: Free
IBAT (Integrated Biodiversity Assessment Tool)
Biodiversity data for business decision-making.
Features: Protected areas, threatened species, key biodiversity areas
Use For: Site-level biodiversity risk assessment
Cost: Subscription-based
ENCORE (Exploring Natural Capital Opportunities, Risks and Exposure)
Tool for understanding business dependencies and impacts on nature.
Features: Sector-specific dependencies, impact drivers, materiality
Use For: TNFD disclosures, nature risk assessment
Cost: Free
Trase
Supply chain transparency for commodities linked to deforestation.
Coverage: Soy, beef, palm oil, timber, coffee, cocoa
Use For: Deforestation-free supply chains
Cost: Free
Water & Circular Economy
WRI Aqueduct
Water risk mapping tool.
Features: Water stress, flood risk, drought risk, regulatory risk
Use For: Water risk assessment, facility siting
Cost: Free
CEO Water Mandate Water Action Hub
Platform for corporate water stewardship.
Features: Water risk assessment, action planning, disclosure
Use For: Water strategy, stakeholder engagement
Cost: Free
Ellen MacArthur Foundation Circulytics
Circular economy measurement tool.
Features: Company-level circularity assessment
Use For: Circular economy strategy
Cost: Free
Social & Human Rights
UN Guiding Principles Reporting Framework
Framework and database for human rights reporting.
Features: Reporting guidance, company examples
Use For: Human rights due diligence disclosure
Cost: Free
KnowTheChain
Benchmarks on forced labor in supply chains.
Coverage: ICT, food & beverage, apparel & footwear
Use For: Supply chain human rights assessment
Cost: Free
Walk Free Global Slavery Index
Data on modern slavery by country and sector.
Use For: Supply chain risk assessment
Cost: Free
Assurance & Verification
ISO 14065 Accredited Bodies
List of accredited GHG verification bodies.
Use For: Selecting GHG assurance provider
Cost: Free
AA1000 Licensed Assurance Providers
List of AA1000AS licensed assurance providers.
Use For: Selecting ESG assurance provider
Cost: Free
Learning & Training
GRI Training
Official GRI Standards training courses.
Courses: GRI Certified Sustainability Professional, report writing
Cost: Paid
SASB Education
Free resources on SASB Standards.
Cost: Free
SBTi Learning Hub
Guidance documents, webinars, case studies on science-based targets.
Cost: Free
TCFD Knowledge Hub
Resources and guidance on TCFD implementation.
Cost: Free
Regulatory & Policy Tracking
Carrots & Sticks
Global database of ESG reporting regulations and initiatives.
Coverage: 80+ countries, 500+ instruments
Use For: Tracking regulatory developments
Cost: Free
World Benchmarking Alliance
Corporate benchmarks on SDGs and ESG topics.
Benchmarks: Climate, nature, social, governance
Use For: Benchmarking, best practice identification
Cost: Free
Related Resources
**Disclaimer**: Tool descriptions are provided for informational purposes. We are not affiliated with or endorsed by any of the listed providers. Prices and features subject to change. Please verify directly with providers.
Last Updated: February 2026