The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets

Abstract Anthropogenic greenhouse gas emissions are causing unprecedented changes to the climate. In 2015, at the United Nations (UN) Conference of the Parties in Paris, France, countries agreed to limit the global mean temperature (GMT) increase to 2°C above preindustrial levels, and to pursue effo...

Full description

Bibliographic Details
Main Authors: S. Sadai, R. A. Spector, R. DeConto, N. Gomez
Format: Article
Language:English
Published: Wiley 2022-12-01
Series:Earth's Future
Subjects:
Online Access:https://doi.org/10.1029/2022EF002940
_version_ 1797976007363264512
author S. Sadai
R. A. Spector
R. DeConto
N. Gomez
author_facet S. Sadai
R. A. Spector
R. DeConto
N. Gomez
author_sort S. Sadai
collection DOAJ
description Abstract Anthropogenic greenhouse gas emissions are causing unprecedented changes to the climate. In 2015, at the United Nations (UN) Conference of the Parties in Paris, France, countries agreed to limit the global mean temperature (GMT) increase to 2°C above preindustrial levels, and to pursue efforts to limit warming to 1.5°C. Due to the long‐term irreversibility of sea level rise (SLR), risks to island and coastal populations are not well encapsulated by the goal of limiting GMT warming by 2100. This review article investigates the climate justice implications of temperature targets in light of our increasing understanding of the spatially variable impact and long temporal commitment to rising seas. In particular we highlight the impact that SLR will have on island states and the role of the Alliance of Small Island States (AOSIS) in UN climate negotiations. As a case study we review dual impacts from the Antarctic Ice Sheet under a changing climate: (a) recent climate and ice sheet modeling shows that Antarctic melt has the potential to cause rapid SLR with a distinct spatial pattern leading to AOSIS nations experiencing SLR at least 11% higher than the global average and up to 33% higher; and (b) future ice sheet melt will result in a negative feedback on GMT, thus delaying temperature rise. When considering these impacts in conjunction, justice concerns associated with the Paris Agreement are exacerbated.
first_indexed 2024-04-11T04:44:27Z
format Article
id doaj.art-5ef34bf728034af4b87884bd55628af9
institution Directory Open Access Journal
issn 2328-4277
language English
last_indexed 2024-04-11T04:44:27Z
publishDate 2022-12-01
publisher Wiley
record_format Article
series Earth's Future
spelling doaj.art-5ef34bf728034af4b87884bd55628af92022-12-27T15:03:06ZengWileyEarth's Future2328-42772022-12-011012n/an/a10.1029/2022EF002940The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature TargetsS. Sadai0R. A. Spector1R. DeConto2N. Gomez3University of Massachusetts Amherst Amherst MA USAUniversity of Massachusetts Amherst Amherst MA USAUniversity of Massachusetts Amherst Amherst MA USAMcGill University Montreal QC CanadaAbstract Anthropogenic greenhouse gas emissions are causing unprecedented changes to the climate. In 2015, at the United Nations (UN) Conference of the Parties in Paris, France, countries agreed to limit the global mean temperature (GMT) increase to 2°C above preindustrial levels, and to pursue efforts to limit warming to 1.5°C. Due to the long‐term irreversibility of sea level rise (SLR), risks to island and coastal populations are not well encapsulated by the goal of limiting GMT warming by 2100. This review article investigates the climate justice implications of temperature targets in light of our increasing understanding of the spatially variable impact and long temporal commitment to rising seas. In particular we highlight the impact that SLR will have on island states and the role of the Alliance of Small Island States (AOSIS) in UN climate negotiations. As a case study we review dual impacts from the Antarctic Ice Sheet under a changing climate: (a) recent climate and ice sheet modeling shows that Antarctic melt has the potential to cause rapid SLR with a distinct spatial pattern leading to AOSIS nations experiencing SLR at least 11% higher than the global average and up to 33% higher; and (b) future ice sheet melt will result in a negative feedback on GMT, thus delaying temperature rise. When considering these impacts in conjunction, justice concerns associated with the Paris Agreement are exacerbated.https://doi.org/10.1029/2022EF002940climate changeclimate justicesea level riseParis Agreement
spellingShingle S. Sadai
R. A. Spector
R. DeConto
N. Gomez
The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets
Earth's Future
climate change
climate justice
sea level rise
Paris Agreement
title The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets
title_full The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets
title_fullStr The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets
title_full_unstemmed The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets
title_short The Paris Agreement and Climate Justice: Inequitable Impacts of Sea Level Rise Associated With Temperature Targets
title_sort paris agreement and climate justice inequitable impacts of sea level rise associated with temperature targets
topic climate change
climate justice
sea level rise
Paris Agreement
url https://doi.org/10.1029/2022EF002940
work_keys_str_mv AT ssadai theparisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT raspector theparisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT rdeconto theparisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT ngomez theparisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT ssadai parisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT raspector parisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT rdeconto parisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets
AT ngomez parisagreementandclimatejusticeinequitableimpactsofsealevelriseassociatedwithtemperaturetargets