Analysis of atmospheric and climatic impacts of shipping emissions

SPENCER JONES made this Official Information request to Maritime New Zealand

Response to this request is long overdue. By law Maritime New Zealand should have responded by now (details and exceptions). The requester can complain to the Ombudsman.

From: SPENCER JONES

Dear Maritime New Zealand,

OIA Request — Shipping Emissions & Atmospheric Effects

Subject: Analysis of atmospheric and climatic impacts of shipping emissions

Request:

I request copies of any documents held from 1 January 2015 to present that:
1. Assess or analyse the atmospheric impacts of shipping emissions, including:
• sulphur dioxide (SO₂)
• sulphate aerosols
• particulate matter
2. Evaluate or discuss:
• aerosol–cloud interactions
• cloud condensation nuclei (CCN)
• cloud formation or reflectivity
• rainfall or precipitation effects
3. Relate to implementation or impacts of:
• MARPOL Annex VI
• Marine Protection Rules Part 199
4. Include any modelling, monitoring, or scientific assessments of:
• coastal air quality near ports
• secondary sulphate formation
• observable “ship track” phenomena

If no documents exist that evaluate rainfall or cloud effects, please confirm that no such analysis has been undertaken or is held.

Kind regards,

Spencer Jones

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From: Ministerial Services
Maritime New Zealand

Kia ora Spencer

Thank you for your information request sent to Maritime NZ on 8 April 2026 as below.

We will respond to your request in accordance with the Official Information Act 1982 (OIA). We will notify you of the decision on your request as soon as reasonably practicable and, in any case, no later than Thursday 7 May, being 20 working days after the day your request was received. If we are not able to respond to your request by 7 May, we will notify you of an extension to that timeframe.

If you have any queries regarding your request, please don’t hesitate to contact us.

Ngā mihi
Ministerial Services

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From: Ministerial Services
Maritime New Zealand


Attachment F38390 Spencer Jones FINAL.pdf
241K Download View as HTML


Kia ora Spencer

Please find attached our response to your Official Information Act request.

Ngā mihi

Ministerial Services

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