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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Filter our publications by topic, type and date.
10 November 2026
IMO Net-Zero Fund vs Facility: institutional options for managing compliance revenues
A Net-Zero Facility offers a lighter, efficient alternative to a dedicated fund to resolve Member State concerns at MEPC 85.
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4 November 2026
How inaction will cost more than the Net-Zero Framework
What is the true cost of implementing the Net-Zero Framework, versus the true cost of doing nothing? We investigate.
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2 November 2026
Advancing the maritime energy transition in the Caribbean
Find out how the Caribbean is well positioned to emerge as a leader in shipping's energy transition.
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20 October 2026
Attempt to weaken the IMO Net-Zero Framework
How Japan’s IMO submission risks weakening the Net-Zero Fund and leaving climate-vulnerable countries behind.
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20 October 2026
Japan’s flawed shipping proposal leaves developing countries adrift
Opportunity Green warns that Japan’s IMO proposal hands control of maritime finance to private companies, leaving climate-vulnerable nations adrift.
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1 September 2026
Trade impacts and the IMO Net Zero Framework
Fossil fuel exporting states' false claims that shipping climate action will harm remote economies overlook why inaction could be worse.
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25 August 2026
IMO negotiation briefing: September 2026
Our analysis of submissions to IMO’s ISWG-GHG 22, from carbon pricing to a just and equitable transition.
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6 August 2026
States urged to protect IMO Net-Zero Framework
New proposals have been tabled that could, in effect, replace the IMO Net-Zero Framework. Opportunity Green calls on governments to protect the Framework.
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5 August 2026
MARPOL amendments: impacts on shipping’s climate transition
Which legal amendments to the IMO's Net-ZeroFramework will deliver 1.5°C?
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4 August 2026
5 simple fixes for Sail & Rail travel across the Irish Sea
Five ways that governments and travel operators could help travellers make the switch to Sail & Rail.
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8 July 2026
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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8 July 2026
Call to unlock barriers to Sail & Rail – and relieve pressure on one of Europe’s busiest air corridors
A coalition of 16 organisations are calling on the governments of the UK and Ireland to act together to improve the Sail & Rail service between the two countries.
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