Publications
Browse through our publications, from reports and briefings to insights and more.
Heading into the EU Taxonomy hearing: what to expect
Ahead of our hearing, this FAQ explains why we’re facing the European Commission in court and what’s at stake for the EU Taxonomy.
Read more
Home heating trial risks misleading consumers
Our legal complaint to the CMA, outlining why SGN’s hydrogen heating claims constitute greenwashing and risk delaying the transition to genuine low-carbon heat.
Read more
Data centres must be included in UK’s decarbonisation plans
Briefing calling for mandatory decarbonisation plans for UK data centres to ensure the sector’s rapid growth is compatible with national climate commitments.
Read more
OECD complaint against ArcelorMittal
Legal complaint challenging ArcelorMittal’s green steel claims, highlighting the urgent need for corporate transparency and truthful environmental advertising.
Read more
Closing Ireland’s aviation climate gap
This report examines how Ireland can place climate action at the heart of its leadership while generating significant revenue through introducing a fair air travel levy and expanding the EU Emissions Trading System (EU ETS) to include international flights.
Read moreAll publications
Filter our publications by topic, type and date.
1 April 2023
Data centres revive US coal as the Global South embraces solar
Data centres are reviving US coal use while the Global South adopts solar.
Read more
1 April 2023
Annual report and financial statements 2023/24
Download the report to read reflections from our CEO and our Chair, and find out what we’ve got planned for the future.
Read more
30 March 2023
Did the latest IMO discussions deliver on climate?
Did recent IMO discussions deliver climate action for shipping?
Read more
24 March 2023
Broad support from IMO Member States on zero emissions
Now we need more to achieve an equitable transition that ‘keeps the 1.5 alive’.
Read more
16 March 2023
The high seas treaty shows a future yet for multilateralism
Aoife O'Leary breaks down the how the High Seas Treaty will help protect the marine environment.
Read more
13 March 2023
Revised IMO targets must align with 1.5°C pathway and support a fair and equitable transition
IMO must ensure the shipping transition doesn't leave behind climate vulnerable countries.
Read more
1 December 2022
Clear sky and transparent sea
Why the UN bodies governing air and sea travel violate international standards on transparency.
Read more
1 October 2022
UK must account for international shipping emissions
The UK must include international maritime emissions in its national decarbonisation strategy.
Read more
1 September 2022
UK legal obligations on international shipping
The UK is avoiding its obligations to reduce the climate impact of international shipping by waiting for the International Maritime Organization to take action.
Read more
1 April 2022
Annual report and financial statements 2022/23
This Annual Report recounts how far Opportunity Green has come in the period June 2022 — March 2023, and charts new waters for our future.
Read more
1 February 2022
Reducing aviation non-CO2 emissions through cleaner jet fuel
Discover three regulatory pathways to reduce non-CO2 emissions by controlling aromatics in jet fuel.
Read more
1 February 2022
Freedom to Regulate the High Seas
This report draws on analysis of international law to explore the legal implications of action by one State or multiple States to reduce GHGs in the maritime sector outside of the International Maritime Organisation.
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.
