Publications
Browse through our publications, from reports and briefings to insights and more.
Improving the EU aviation ETS
The EU ETS review is a rare opportunity to strengthen the aviation ETS. Here’s how the EU can use it to deliver its full potential.
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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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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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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 September 2025
ASA rules green claims about LNG on MSC Cruises are likely to mislead
Cruise ticket sellers found to breach advertising rules with misleading LNG adverts.
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8 July 2025
Ammonia as shipping fuel: benefits, risks and policy solutions
In this briefing we ask, how can we avoid swapping one pollution problem for another?
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1 July 2025
IMO Net-Zero Framework: opportunities for ambitious action
Discover the key areas where IMO regulations must be more ambitious to ensure a just transition.
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30 June 2025
A new global emissions fee for shipping has been agreed
IMO net zero fund must support countries at the frontline of climate change.
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9 June 2025
States must include international shipping in climate targets at UN Ocean Conference
Ocean protection means including shipping in countries' Paris climate targets.
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1 June 2025
A just and equitable transition for shipping
A fuel deal could raise $10bn/year from 2028 for climate resilience. But the lion’s share could end up back with big shipping firms instead of those most in need.
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1 June 2025
Reducing shipping emissions by reducing shipping demand
As global trade volumes reach record highs, a new report highlights how circular economy strategies and reshoring can slash emissions by reducing the sheer demand for long-distance shipping.
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13 May 2025
5 reasons why the IMO’s Net-Zero Framework fails to support a just and equitable transition
Why the IMO's recently agreed Net-Zero Framework fails to achieve climate justice.
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1 May 2025
Factsheet: What’s the procedure for amending MARPOL Annex VI?
Discover the procedure for amending MARPOL Annex VI in the case of the IMO Net-Zero Framework.
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1 May 2025
Factsheet: the IMO Net-Zero Framework: what is it?
Our guide to the IMO Net-Zero Framework for reducing greenhouse gas emissions from international shipping.
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23 April 2025
Beyond CO2: how nitrogen emissions threaten the future of clean shipping
Dive into how nitrogen pollution from shipping harms air quality and climate — and why stronger action is crucial for cleaner, healthier oceans and communities.
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11 April 2025
IMO talks leave climate vulnerable countries adrift
Major IMO negotiations fail to adequately drive a just and equitable maritime transition.
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