Kia ora Nigel
Please find attached a response to your request.
Ngā mihi
Ministerial Services Team 
Ministry for the Environment – Manatū Mō Te Taiao
Email: [1][MFE request email] Website: [2]www.mfe.govt.nz 
8 Willis Street, Wellington Central, Wellington 6011

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From: Nigel Gray <[FOI #33197 email]>
Sent: Tuesday, December 9, 2025 5:43 AM
To: OIA <[MFE request email]>
Subject: Official Information request - 25-OIAD-00029 Supplemental
 
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Dear Ministry for the Environment,
Kia ora,

Further to my earlier request (25‑OIAD‑00029), I wish to clarify and
supplement the scope.

Annex VI of the International Convention for the Prevention of Pollution
from Ships, as implemented in New Zealand through Marine Protection Rules
Part 199, regulates atmospheric emissions from ships including sulphur
oxides (Regulation 14), nitrogen oxides (Regulation 13), and particulate
matter/volatile organic compounds (Regulation 15). These pollutants are
recognised internationally as contributors to atmospheric chemistry, cloud
formation, and climate forcing.

Accordingly, I request:

1. Any monitoring systems, datasets, or responsibilities the Ministry
holds, or coordinates with other agencies, regarding ship emissions
regulated under Annex VI (SOx, NOx, PM, VOCs) in New Zealand’s territorial
waters (within 12 nautical miles) and Exclusive Economic Zone (12–200
nautical miles).
2. Any reports, datasets, or assessments that consider the potential
impacts of ship emissions on atmospheric conditions, cloud formation, or
weather/climate in New Zealand.
3. Any correspondence between the Ministry and other agencies (Maritime
NZ, EPA, NIWA) between 1 January 2022 and 1 December 2025 that references
Annex VI compliance and potential weather or climate impacts of ship
emissions.

Please exclude purely administrative correspondence unless it contains
substantive discussion of the above topics.

If any of the above categories of information are not held, please confirm
this explicitly under section 18(e) of the Act. If information is
withheld, please specify the precise section of the Act relied upon, as
required under section 19.

Ngā mihi, 
Nigel

Yours faithfully,

Nigel Gray

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