Publications
Browse through our publications, from reports and briefings to insights and more.
16 organisations call for better Sail & Rail service between UK and Ireland
Discover why Opportunity Green and 15 partner organisations are calling on the UK and Irish governments to make Sail & Rail travel easier to find, book and trust.
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Loaded: the legal risks of air pollution caused by Heavy-Duty Vehicles
Diesel trucks produce a disproportionate share of deadly air pollution, exposing governments and manufacturers to growing legal and financial risks.
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The UK’s agricultural methane regulatory gap and legal risks
The UK's lack of agricultural methane rules exposes the Government to rising legal risks.
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Aviation and the EU ETS: key questions answered
As the EU is weighing extending its ETS to international flights, this FAQ explains what is at play.
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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.
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3 December 2025
Open letter to UK Government on ECAs
OG and partners urge the UK government to expand Emissions Control Areas to all UK waters to tackle harmful shipping pollution.
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3 December 2025
Submission to the OHCHR’s UN High Commissioner for Human Rights
Can aviation and shipping taxes fund climate justice? Discover our recommendations to the UN High Commissioner.
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2 December 2025
Joint Paper: The Success of the European Green Deal
Member States must lead the "Fit for 55" transition to ensure climate action is delivered on the ground.
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2 December 2025
Getting hydrogen right from the start
Did the EU Commission overstep its powers exempting hydrogen electrolysers from green rules? Read our analysis.
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2 December 2025
Requiring oil majors to pay
Our legal analysis shows how the EU can require fuel providers to absorb carbon costs.
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2 December 2025
Maritime freight: local and global impacts
This report charts a way towards cutting shipping emissions and improving the lives of those living closest to these trade ports.
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2 December 2025
EU policy and aviation non-CO2 impacts
Briefing on the need for EU policy to address aviation’s non-CO2 effects, such as contrails and nitrogen oxides, which significantly contribute to global warming.
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3 November 2025
Report calls for an end to aviation’s free pass on pollution in Ireland
Our report shows that aviation is a “glaring gap” in Ireland’s Climate Action Plan.
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1 November 2025
Legal risks of the EU’s tax giveaway to airlines
Current fuel tax exemptions may violate state aid rules and the UK-EU Trade Agreement.
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1 November 2025
Adjournment of the IMO’s Net-Zero Framework
IMO’s Net-Zero Framework is delayed, but ambition, timelines, and equity remain negotiable.
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28 October 2025
Why the aviation industry prefers an air passenger tax to a solidarity levy
A brief guide to climate tax on aviation pollution, how air travel taxes and solidarity levy differ, and why we must fairly price flying.
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16 October 2025
Don’t be fossil fooled: Say No To LNG
Pulling back the curtain on LNG's climate impact as a shipping fuel.
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