Best Public Datasets for Climate Research (2025)
Essential climate, environmental, and sustainability datasets for researchers, analysts, and policymakers. All publicly available.
Open Data for Climate Research
Climate research requires vast amounts of quality data. Here are the best publicly available sources, all indexed on DataSetIQ with quality scores.
Temperature & Weather
NOAA Global Temperature Anomalies
IQ Score: 96 | Monthly | 1880-present
Global and regional temperature anomaly data from NOAA's National Centers for Environmental Information.
NASA GISS Surface Temperature
IQ Score: 95 | Monthly | 1880-present
NASA Goddard Institute's global surface temperature analysis.
ERA5 Reanalysis (ECMWF)
IQ Score: 94 | Hourly | 1940-present
Comprehensive atmospheric reanalysis at 31km resolution.
Greenhouse Gas Emissions
EDGAR Emissions Database
IQ Score: 93 | Annual | 1970-present
Country-level emissions by gas and sector from the EU JRC.
NOAA Global Monitoring Laboratory
IQ Score: 97 | Continuous
Direct atmospheric CO2 measurements from Mauna Loa and global network.
IEA CO2 Emissions
IQ Score: 92 | Annual | 1990-present
Energy-related emissions by country and fuel type.
Sea Level & Oceans
NASA Sea Level Data
IQ Score: 96 | Monthly | 1993-present
Global mean sea level from satellite altimetry.
NOAA Tide Gauge Data
IQ Score: 94 | Continuous
Long-term sea level measurements from coastal stations.
ARGO Float Data
IQ Score: 93 | Continuous
Ocean temperature and salinity profiles worldwide.
Energy & Transition
EIA Energy Data
IQ Score: 97 | Monthly | 1949-present
US energy production, consumption, and prices by source.
IRENA Renewable Statistics
IQ Score: 91 | Annual
Global renewable energy capacity and generation.
BP Statistical Review
IQ Score: 90 | Annual | 1965-present
Comprehensive global energy data.
Extreme Events
EM-DAT International Disaster Database
IQ Score: 88 | Event-based | 1900-present
Natural and technological disasters worldwide.
NOAA Storm Events
IQ Score: 93 | Event-based
US severe weather events and impacts.
Policy & Economics
World Bank Climate Data
IQ Score: 92 | Annual
Climate-related development indicators.
IMF Climate Change Indicators
IQ Score: 91 | Varies
Macroeconomic impacts of climate change.
Carbon Pricing Dashboard (World Bank)
IQ Score: 89 | Updated regularly
Carbon tax and ETS coverage by jurisdiction.
Research Use Cases
For Academic Papers
- GISS or NOAA for temperature trends
- EDGAR for emissions inventories
- EM-DAT for event analysis
- ERA5 for high-resolution modeling
For Policy Analysis
- IEA/EIA for energy transitions
- World Bank for development links
- Carbon pricing data for policy comparison
- IRENA for renewables tracking
For Corporate Sustainability
- GHG Protocol compatible sources
- Energy efficiency benchmarks
- Climate risk indicators
- Scope 3 data sources
Getting Started
All datasets listed are indexed on DataSetIQ with quality scores and direct links to sources.
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