Research Sources & Methodology | Sustainability Career Data | Farrell Associates
100+
Data Sources
25+
Salary Platforms
15+
Industry Reports
3
Regions
Monthly
Updates

📚 Research sources verified: August 2025 | Next verification: February 2026

🔬 Research Methodology

1

Data Collection

We aggregate salary and market data from 100+ verified sources including major job platforms, government statistics, and industry reports across USA, UK, and EU markets.

2

Validation & Verification

All data points are cross-referenced across multiple sources and validated against industry benchmarks to ensure accuracy and reliability.

3

Regional Analysis

Market data is segmented by region (USA, UK, EU) and adjusted for purchasing power parity, cost of living, and local market conditions.

4

Trend Analysis

Historical data is analyzed to identify trends, seasonal variations, and emerging patterns in sustainability career markets and AI integration.

5

Expert Review

All analysis is reviewed by our B Corp certified sustainability recruitment specialists with 15+ years of industry experience.

6

Continuous Updates

Data is updated monthly with new sources and quarterly with comprehensive market analysis to ensure currency and relevance.

📊 Primary Data Sources

Comprehensive collection of verified data sources across salary platforms, industry reports, government statistics, and professional organizations.

💰

Salary Data Platforms

25+ Sources
📈

Industry Reports

15+ Sources
🏛️

Government & Official Data

20+ Sources
🏆

Professional Organizations

12+ Sources
🎓

Academic & Research Institutions

15+ Sources