The Paris Agreement is an accord to reduce greenhouse gas emissions that cause global warming. It was adopted on December 12, 2015, signed by 194 nations, and entered into force on November 4, 2016. In 2017 the U.S. administration, originally a signatory, withdrew from the Agreement.



  • Countries sign the Agreement and formally join by ratification, acceptance, or approval of the Agreement.
  • Participating countries will periodically report greenhouse gas emissions data to the UN.

Paris Agreement Countries Updated














Reduce Emissions

  • The average global temperature increase should be kept below 2 degrees C (3.6 degrees F).
  • Greenhouse emissions should reach a peak as soon as possible and then rapidly decrease thereafter.

Be Transparent

  • Countries agree to meet every five years to set more ambitious targets and to report on progress towards the goals.

Adapt for Change

  • Governments will strengthen states’ ability to deal with climate change impacts.
  • Parties will provide special support to developing nations.

Mitigate Loss

  • Governments will work to avert, minimize, and address loss due to climate change.
  • Governments will enhance early warning systems, emergency preparedness, and risk insurance.


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