Our impact

Delivering lasting change

The world is making exciting strides in climate action, yet some major sectors – like aviation, shipping, steel, finance, and agriculture – still lag behind. At Opportunity Green, we focus on transforming these hard-to-decarbonise industries by bringing together legal, economic, scientific, and policy expertise.

From challenging greenwashing and driving strategic litigation, to providing robust evidence for better policymaking, we tackle the barriers that slow global progress. We also work to elevate the voices of climate vulnerable countries in key international negotiations and unite forward-thinking businesses through the SASHA Coalition to accelerate the shift to green hydrogen.

Through this multidisciplinary approach, Opportunity Green is uniquely positioned to deliver meaningful, lasting change. This has been recognised by the diverse range of fantastic funders that support the work we do and enable our impact to grow.

How we’re making impact

Here are just a few examples of the impact we have achieved…

• Holding MSC Cruises to account for its advertising of fossil LNG

Our complaint to the Advertising Standards Authority led to MSC removing their adverts and agreeing that future ads would substantiate environmental claims.

• Taking the EU Commission to court at the European Court of Justice

Along with five other NGOs, we challenged the Commission’s Taxonomy over its flawed sustainable finance criteria that labels polluting ships and planes as ‘green’.

• Winning Employer of the Year award at the Global Good Awards

This win underpins our second objective in our organisational strategy: “to be a great place to work where great staff are valued and treated well.”

• Providing evidence to the House of Lords Select Committee

We provided written and oral evidence on ammonia use as a shipping fuel, which has been extensively cited in the committee’s final report.

• Supporting ambitious climate vulnerable countries to participate in shipping’s climate negotiations

Our team’s in-depth briefing packs supported many new delegates at the International Maritime Organization meetings, and there has been a notable rise in attendance from small island developing states and least developed countries.

• Filing Europe’s first climate-related legal challenge in the steel sector

Our complaint highlights steel giant ArcelorMittal’s lack of climate action and states that it breaches OECD Guidelines.

• Speaking out on the BBC about data centres’ impact on the environment

An interview on BBC Radio 5 Live highlighting the rapid rise of data centres in the UK and the need for stronger regulation.

• Calling on Ireland to lead the way in closing aviation’s climate gap

A timely report urging Ireland to lead on climate action for aviation in its role as the Presidency of the Council of the EU in 2026, which was widely featured in Irish press.

• Offering all new parents a full year of parental leave, with 26 weeks’ full pay

Our progressive policy also states that all men must take at least three months paid leave in order to help close the gender pay gap.

• Making submissions to the International Tribunal of the Law of the Sea and the International Court of Justice advisory opinions

OG was the only organisation to make submissions focusing on States’ legal obligations to decarbonise international aviation and shipping, which were reflected in the ITLOS AO.

• Joint submission with The Shift to the United Nations Committee on Economic, Social and Cultural Rights

This resulted in the Committee questioning the UK government and calling on the UK to enhance its housing decarbonisation policy in its concluding observations.

• Challenging the industry myth that you can’t tax aviation fuel

The results of our legal briefing have been incorporated by UK and EU policymakers into their thinking, and fed into the Global Solidarity Levies Task Force a coalition of countries that support tax on luxury flights.

• Being recommended as one of Giving Green’s Top Recommendations

We are thrilled to have been recognised for impactful climate giving for three years in a row, in 2023, 2024 and 2025.

• Giving voice to the industry of the future through the SASHA Coalition

We have established the SASHA Coalition as a unique and authoritative player, convening forward-looking companies to advocate for ambitious shipping and aviation policy that supports the decarbonisation of these sectors.

• Holding a SASHA Coalition event at the European Parliament

We brought together industry leaders and policymakers for a productive discussion on delivering on delivering on EU mandates and scaling e-fuels for shipping and aviation decarbonisation in Europe, hosted by Renew MEPs Oetjen and Gerbrandy.