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Climate & Environment Prediction Markets 2026: CO2, Temperature & Policy Odds

Trade climate prediction markets on PolyGram. Global temperature records, CO2 levels, Paris Agreement compliance, carbon price markets, and clean energy milestones.

Sarah Whitfield
Markets Editor — Political Forecasting · · 2 min read
✓ Fact-checked · 📅 Updated 2 May 2026 · 2 min read
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Environmental and climate prediction markets represent an expanding sector, underpinned by the quantifiable, information-dense character of climate phenomena and the mounting economic implications of environmental regulation. Academics, policy analysts, and sustainability specialists recognise substantial opportunities in this space.

Active Climate Prediction Markets (2026)

  • 2026 hottest year on record (vs 2023/2024/2025): ~45-52%
  • Global CO2 concentration exceeds 430 ppm: ~72-78%
  • Arctic sea ice summer minimum sets new record low: ~38-44%
  • EU carbon price above €100/tonne in 2026: ~42-48%
  • COP31 agreement reached with binding 1.5C commitment: ~18-24%
  • US carbon tax legislation passes in 2026: ~8-12%
  • Global EV sales exceed 25% of new car sales in 2026: ~55-62%

Climate Data Edge Sources

  • NOAA/NASA temperature records: updated monthly with preliminary data ahead of official announcements
  • Mauna Loa CO2 observatory: real-time atmospheric CO2 concentration data
  • NSIDC sea ice extent: daily satellite measurements of Arctic and Antarctic ice
  • IEA energy data: monthly electricity generation and EV sales statistics
  • EU ETS auction prices: weekly carbon credit auction results

Why Climate Markets Are Undertraded

Environmental prediction markets remain nascent and draw substantially fewer professional participants relative to political markets or sports betting. Consequently:

  • Wider spreads — elevated transaction expenses alongside greater scope for mispricings
  • Reduced participant density — competitive advantage persists longer without erosion
  • Tangible analytical advantage available to those monitoring climate datasets consistently

FAQ

What data sources do temperature record markets use?
NOAA NCEI (National Centers for Environmental Information) global temperature anomaly data, typically released monthly with 1-2 month lag.
Are there renewable energy prediction markets?
Yes — global solar capacity milestones, wind energy installation records, and national grid clean energy percentage targets are all tradeable on PolyGram.
Can I trade carbon credit price prediction markets?
EU ETS carbon price markets are listed. Other carbon market instruments (California cap-and-trade, voluntary markets) appear during significant policy events.
Sarah Whitfield
Markets Editor — Political Forecasting

Sarah has tracked political prediction markets and election forecasting since the 2020 US cycle. Focus: US presidential, congressional, and UK parliamentary contracts.