IPCC ‘Climate Change 2013: The Physical Science Basis’ — Summary for Policymakers

By Selectra UK | Article reviewed and updated by Cornelia Zavoianu, Selectra Energy Expert | Updated 11 July 2026 | 3 min read

This page hosts a reference copy of the Working Group I Summary for Policymakers from the IPCC’s Fifth Assessment Report, ‘Climate Change 2013: The Physical Science Basis’.

IPCC — Climate Change 2013 (WGI Summary for Policymakers)

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What this document is

This document is the Working Group I Summary for Policymakers from ‘Climate Change 2013: The Physical Science Basis’, the volume that forms Working Group I’s contribution to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change.

Working Group I assesses the physical science of the climate system — observed changes, their causes and projections for the future. The Summary for Policymakers distils that assessment into a shorter document aimed at decision-makers.

This copy is provided for readers who followed a broken link to the original file. For the authoritative wording, figures and confidence statements, consult the primary source published by the IPCC.

About this copy

This document is hosted here for reference because external sites link to a copy that previously sat on this domain. Read it in the viewer above or download the PDF. Where a document sits outside energy and utilities, this page is a neutral archive entry, not an endorsement.

Article written and reviewed by a verified Selectra expert

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