Sign up to our newsletter (by signing up, you agree to our privacy policy)

About us
- - - About us
- - - Who we are
    - Read about our story, culture & values
    - Our team
    - Meet our experts
    - Opportunity Green Europe
    - Find out about our European office in Brussels
  - - Work with us
    - Learn about our current vacancies and how to apply
    - What we offer
    - The benefits of working at OG
    - Equity, diversity & inclusion
    - OG’s diverse & inclusive workplace
  - - Press office
    - How we work with the media
    - Contact us
  - - Want to work for us?
      
      We’re a rapidly growing organisation looking for people who are as passionate about solving the climate crisis as we are.
      
      View careers
- - - Want to work for us?
      
      We’re a rapidly growing organisation looking for people who are as passionate about solving the climate crisis as we are.
      
      View careers
Our work
- - - Our work
- - - What we do
    - Read about OG’s strategic approach
    - SASHA Coalition
    - Our coalition of shipping and aviation companies
  - - Support our work
      
      Help us make a bigger impact in tackling the gaps that others often miss.
      
      Support us
- - - Want to work for us?
      
      We’re a rapidly growing organisation looking for people who are as passionate about solving the climate crisis as we are.
      
      View careers
Our impact
- - - Our impact
- - - Media coverage
    - OG in news, articles and broadcast
    - Annual reports
    - Discover our impact, key moments and future plans
  - - Support our work
      
      Help us make a bigger impact in tackling the gaps that others often miss.
      
      Support us
- - - Support our work
      
      Help us make a bigger impact in tackling the gaps that others often miss.
      
      Support us
Publications

Press Office > Press releases > Shipping

NGOs urge IMO action on ammonia ship waste rules

Opportunity Green, Environmental Defense Fund, One Planet Port, Pacific Environment, Clean Shipping Coalition, Seas at Risk, and ZESTAs call for a precautionary approach to managing toxic ammonia effluent from ammonia-fueled ships

13/02/2026

Publications

Shipping

NGOs urge IMO action on ammonia ship waste rules

NGOs call for a precautionary approach to managing toxic ammonia effluent from ammonia-fueled ships.

Read More

Nuala, Daniel, Aurelia, Sabrina and Aoife Democracy in Action

One year at OG with our Director of EU Policy, Aurelia

Aurelia Leeuw reflects on her first year as Director of EU policy at OG.

Read More

Close-up of a white radiator in a bathroom

Home heating trial risks misleading consumers

Our legal complaint to the CMA, outlining why SGN’s hydrogen heating claims constitute greenwashing and risk delaying the transition to genuine low-carbon heat.

Read More

Row of new-build houses

Greenwashing complaint against SGN for home heating trial

Our legal complaint about SGN’s hydrogen home heating trial.

Read More

James smiling and leaning against a fence beside two donkeys

One year at OG with our Scientific Officer, James

James Kershaw reflects on his first year as Scientific Officer at OG.

Read More

Our Legal Manager, Suki. wearing a grey top proudly presenting Opportunity Green's new coffee machine

Celebrating one year at OG with our Legal Manager, Suki

Suki Rees looks back on her first year as Legal Manager at OG.

Read More

Main facade of Irish government buildings consisting of pillars and a green-domed roof

Will Ireland step up and become Europe’s Climate President?

Why Ireland needs to regulate data centres and aviation to meets its environmental commitments.

Read More

Underwater shot of coral reef and tropical fish

Our top Positive Climate Stories of 2025

Curated selection of the most inspiring and impactful climate success stories from 2025, highlighting global progress in policy, innovation, and conservation.

Read More

A row of aeroplanes with orange and white rudders waiting at a European airport

Legal powers to regulate international aviation under the EU ETS

Legal analysis of the EU’s authority to regulate all international aviation emissions under the EU ETS to align the sector with the Paris Agreement.

Read More