

Changing the way we tackle climate change.
We seek bold and impactful climate solutions, focusing on equity, justice and accountability.

We believe change is possible
How we’re working to ensure emissions are reduced in line with a 1.5°C pathway by 2050.
Latest from Opportunity Green
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How agribusiness contributes to global heating, and the rise of strategic litigation
September 2025: This briefing explores agriculture’s major role in global emissions and the rise of climate litigation, outlining steps agribusinesses must take to cut risk and environmental harm.
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States’ legal obligations to equitably decarbonise international aviation
September 2025: There is a huge gap between what is legally required and what is being done to tackle aviation emissions. This briefing sets out how this can be addressed at the 42nd ICAO Assembly.
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Mitigating tourism impacts from a global aviation levy or greenhouse gas pricing mechanism
September 2025: A global aviation levy or greenhouse gas pricing mechanism could raise vital climate finance and cut emissions. Our research shows tourism impacts are under 0.05% of revenues and could be easily mitigated.
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Splash 247: Shipping’s big climate moment is here, but will it live up to its promise?
September 2025: Our Senior Director, Climate Diplomacy, Emma Fenton, wrote this op-ed about the significance of the IMO Net-Zero Framework and whether shipping’s “big climate moment” will live up to its promise.
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Data centre environmental regulations: OECD policy tracker
September 2025: Data centres’ rapid growth is straining grids and spurring regulations. We’re tracking OECD policies as governments balance digital growth with climate goals.
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Financial Times: The unexpected climate upside to Trump’s tariff regime
September 2025: Our Senior Director for Economics, James Meadway, wrote this op-ed about the unexpected climate silver lining to Trump’s tariff regime.
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Business Green: ASA scuttles 'misleading' LNG cruise adverts after 'greenwashing' complaint
September 2025: Our Legal Manager, Kirsty Mitchell, is quoted in this article about OG’s successful ASA complaints that found cruise adverts promoting fossil LNG as 'eco-friendly' were misleading, setting a precedent against greenwashing.
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PRESS RELEASE: MSC misled consumers with LNG green claims, says ASA
September 2025: The Advertising Standards Authority (ASA) upheld our complaints, ruling that MSC ticket agents misled consumers by calling fossil LNG “eco-friendly," despite its devastating climate impact.
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Wavelength Podcast: Profiling a suspected Iranian shadow shipping kingpin
August 2025: Our Policy Officer, Blánaid Sheeran, features in this TradeWinds Wavelength podcast episode about US and oil-producing states’ attempts to derail the IMO Net-Zero Framework.
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BBC Radio 5 Live: The rise of UK data centres
August 2025: Our Senior Director of Economics, James Meadway, talks to BBC Radio 5 Live about the rapid rise of data centres in the UK.
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Irish Independent: AI can do many things with your CV but it can’t capture the very essence of you
July 2025: Our CEO, Aoife O'Leary is interviewed about the growing use of AI in job applications, its impact on recruitment quality and the importance of authenticity and human effort in the hiring process.
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NEW REPORT: Fuelling misconceptions about SAF
July 2025: Our latest report calls for companies and financiers to stop using the term ‘sustainable aviation fuel’ (‘SAF’).
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Sustainable Views: Stop using the term 'sustainable aviation fuel' or face legal risks
July 2025: An article about our report Fuelling misconceptions: the legal risks of advertising ‘sustainable aviation fuel’.
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POLICY BRIEFING: Ammonia as a shipping fuel
July 2025: This briefing examines ammonia’s potential as a cleaner shipping fuel, outlines its environmental and safety risks and offers policy recommendations to manage them effectively.
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NEW REPORT: Reducing shipping demand
We examine the potential changes that can be made to reduce global shipping demand and look at the small differences that matter when it comes to reducing greenhouse gas emissions.
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BBC Rare Earth: How to clean up the shipping industry
March 2025: Our CEO, Aoife O’Leary, was one of the panelists on BBC Radio 4’s Rare Earth episode “How to clean up the shipping industry.”
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NEW REPORT: A just and equitable transition for shipping
June 2025: IMO funds must support countries at frontline of climate change.
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POLICY GUIDE: The EU ETS for aviation
June 2025: A complete overview of the EU emissions trading system (ETS) for aviation, where it fails to regulate the sector and how policymakers can make it fit for purpose.
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BRIEFING: Data centres: soaring demand threatens climate goals
May 2025: Our policy briefing outlines the key challenges posed by AI-driven data centre growth and offers recommendations for government action.
