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Field guide

Climate & energy policy

Rules, prices, and fairness—climate policy is part spreadsheet, part town hall.

Set the scene

Climate and energy policy combines mitigation targets, carbon pricing, subsidies, efficiency standards, and just transition measures. The Paris Agreement anchors national pledges under the UNFCCC; IPCC assessment reports synthesise evidence on effectiveness, limits, and equity.

Signal, not noise

Three snaps from the evidence

3 beats
  1. 01

    IPCC AR6 WGIII Technical Summary documents expanding climate legislation and broader coverage of emissions by targets over the past decade.

  2. 02

    Policy mixes—pricing, standards, and support for innovation—are common; no single instrument fits all contexts.

  3. 03

    Carbon pricing and reform of fossil subsidies can improve incentives but need complementary measures for equity and competitiveness.

Chart break

Explore the data

Annual greenhouse gas emissions including land use (tonnes of CO₂-equivalents). Definitions and gas coverage are on the grapher page (Jones et al. dataset via OWID); do not quote totals without checking methodology.

Chart: Our World in Data (CC BY). Each grapher page lists the underlying datasets, units, and processing notes—use it when citing numbers.

Open on Our World in Data

No fairy tales

Where it helps—and where it hurts

Strengths

  • Aligns incentives with emissions reductions and can accelerate clean deployment where credible and stable.
  • Standards can overcome market barriers (e.g., building codes, vehicle performance).
  • Just transition frameworks can reduce harms to workers and communities in fossil-dependent regions.

Limits & trade-offs

  • Policy instability and fragmented jurisdictions create investor uncertainty.
  • Poorly designed subsidies can lock in inefficient assets or distort trade.
  • Distributional impacts on energy poverty require monitoring and targeted relief.

Read the receipts

Sources for this page

These entries are starting points for verification. Prefer the original report or dataset when checking numbers and figures.

  1. IPCC AR6 WGIII Technical SummaryPathak, M., Slade, R., Shukla, P. R., Skea, J., Pichs-Madruga, R., & Urge-Vorsatz, D. (2022). Technical summary. In P. R. Shukla et al. (Eds.), Climate Change 2022: Mitigation of Climate Change (IPCC AR6 WGIII). Cambridge University Press. https://doi.org/10.1017/9781009157926.002
  2. UNFCCC Paris AgreementUnited Nations Framework Convention on Climate Change. (2015). The Paris Agreement. UNFCCC. https://unfccc.int/process-and-meetings/the-paris-agreement
  3. World Bank just transitionWorld Bank Group. (2024). Just transition for climate action. World Bank. https://www.worldbank.org/en/topic/climatechange/brief/just-transition
  4. Our World in DataRitchie, H., & Rosado, P. (2020). Electricity mix. Our World in Data. https://ourworldindata.org/electricity-mix (underlying grapher datasets include Ember and Energy Institute series, cited per chart metadata).