Publications
Browse through our publications, from reports and briefings to insights and more.
All publications
Filter our publications by topic, type and date.
21 May 2024
Groundbreaking climate opinion from international court
ITLOS advisory opinion clarifies States' legal obligations to mitigate climate change.
Read more21 March 2024
States must address climate impacts from international aviation and shipping
We urged the ICJ to clarify States' duties on international aviation and shipping's emissions.
Read more7 March 2024
No country can be left behind in shipping’s energy transition
We call for countries to support an ambitious levy on shipping emissions at the IMO.
Read more5 March 2024
NGOs deliver letter to government on UK Emissions Control Area
UK must extend the Emissions Control Area to cut shipping emissions.
Read more16 January 2024
NGOs launch legal challenge against EU’s taxonomy on planes and ships
Our legal challenge against the EU taxonomy labelling fossil planes and ships as green.
Read more26 September 2023
Legal action launched to put a stop to cruise companies’ LNG greenwashing
Our complaint about cruise companies’ greenwashing advertisements.
Read more11 September 2023
SASHA Coalition launches The Green Hydrogen Gap report
Without green hydrogen policy, shipping and aviation will never get to zero emissions.
Read more7 July 2023
IMO fails to align with 1.5°C Paris Agreement temperature goal
Insufficient progress made at latest round of IMO negotiations.
Read more1 July 2023
Irish government lost out on close to €760m in aviation taxes last year
Why Ireland’s aviation sector benefits from unjustified tax exemptions.
Read more20 June 2023
Opportunity Green calls on ITLOS Tribunal to consider shipping emissions in its opinion
The Law of the Sea is clear: countries must act on shipping’s climate impact.
Read more19 June 2023
Ireland must tackle soaring aviation and shipping emissions
The Irish government must include international aviation and shipping in its climate strategy.
Read more14 June 2023
IMO climate meetings: final chance for shipping to keep 1.5 alive
Emission targets mean nothing unless the voices of the ‘silent majority’ are heard.
Read moreStay informed
Get the latest insights and updates on our climate action initiatives by signing up to the OG newsletter.
By signing up, you agree to our privacy policy.