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United Nations Paris Climate Agreement (Paris Accords)

United Nations Paris Climate Agreement (Paris Accords): Paris Agreement sets global framework for limiting warming to 1.5°C

Maílis Carrilho
Maílis Carrilho
Updated on November 17th, 2025
2 min read
Published Nov 21, 25

Summary

The Paris Agreement is the world’s central climate treaty, requiring countries to submit national climate plans, report emissions, and strengthen action every five years. This article outlines obligations, current status, flexibilities, penalties, and real-world examples.
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Details

Jurisdictions
  • European Union
  • The United States of America (USA)
  • Brazil
  • China
  • South Africa
  • India
Exempted entities

The Paris Agreement is a binding international climate treaty for all Parties, with mandatory obligations regarding planning, reporting and transparency.

Criteria:

Applies to all countries that have ratified the Agreement, covering national governments responsible for climate policy, greenhouse-gas inventory systems, adaptation planning and international reporting.

Also applies to sectors governed by national climate laws introduced to fulfil Paris commitments, including energy, industry, transport, agriculture, land use and finance, depending on domestic implementation.

Exemptions and Flexibility:

Not every country must adopt identical climate targets, since each Party defines its own Nationally Determined Contribution (NDC), provided ambition increases over time (so countries choose their own targets, but must update and report them).

Developing countries, LDCs and SIDS benefit from flexibility in timelines, reporting detail and capacity-building support, reflecting differentiated responsibilities.

The Agreement has no punitive sanctions for failing to meet NDC targets, and compliance relies on transparency, peer review and diplomatic pressure rather than penalties.

Deep dive


What’s Required

Parties must:

  • Prepare, submit, and maintain NDCs

  • Increase ambition every five years

  • Report regularly through the Enhanced Transparency Framework

  • Submit GHG inventories and progress reports

  • Develop long-term strategies

  • Participate in the Global Stocktake

  • Support capacity building and finance (for developed countries)

Important Deadlines

  • 2020: First global NDC update cycle

  • 2024–2025: Enhanced Transparency Framework becomes fully operational

  • 2025: New NDCs due, covering 2035

  • Every 5 years: Global Stocktake and NDC updating cycle

Current Status

The Paris Agreement is fully in force, with 195+ Parties. All major emitters participate, including the EU, China, India, and the US (which rejoined in 2021). Implementation progress varies widely, and current NDCs are collectively insufficient to meet the 1.5°C goal.

Penalties for Non-Compliance

The Agreement does not impose punitive sanctions.
Instead:

  • A Compliance Committee supports implementation through facilitative and non-punitive means.

  • Countries that miss targets face diplomatic pressure, reputational consequences, and potential impacts on climate finance or cooperation.

  • Enforcement occurs domestically, via national climate laws, climate courts, and market mechanisms.

No fines or punitive measures exist at the treaty level.

Examples of Known Violations

There are no formal “violations” because the Agreement lacks punitive mechanisms.
However, several cases highlight compliance challenges:

  • Many countries have submitted delayed NDC updates

  • Some Parties failed to meet transparency reporting timelines

  • Several G20 countries are off track to meet 2030 emission targets

As of 2025, no punitive actions have been issued, as compliance relies on transparency and political accountability rather than sanctions.

Resources


Maílis Carrilho
Written by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.