Kia ora Spencer,

 

On behalf of the Ministry of Transport (the Ministry), I acknowledge your
Official Information Act request of 8 April 2026, seeking:

 

“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”

 

We will endeavour to respond to your request as soon as practicable, and
in any event no later than 7 May 2026, being 20 working days after the day
your request was received. If we are unable to respond to your request by
then, we will notify you of an extension of that timeframe.

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

-----Original Message-----
From: SPENCER JONES <[FOI #34431 email]>
Sent: Wednesday, 8 April 2026 7:17 pm
To: OIA <[MOT request email]>
Subject: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions

 

Dear Ministry of Transport,

 

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

 

-------------------------------------------------------------------

 

This is an Official Information request made via the FYI website.

 

Please use this email address for all replies to this request:

[1][FOI #34431 email]

 

Is [2][MOT request email] the wrong address for Official Information
requests to Ministry of Transport? If so, please contact us using this
form:

[3]https://apc01.safelinks.protection.outlo...

 

Disclaimer: This message and any reply that you make will be published on
the internet. Our privacy and copyright policies:

[4]https://apc01.safelinks.protection.outlo...

 

If you find this service useful as an Official Information officer, please
ask your web manager to link to us from your organisation's OIA or LGOIMA
page.

 

 

-------------------------------------------------------------------

 

--------------------------------------------------------------------------

MINISTRY OF TRANSPORT
Wellington (Head Office) | Pastoral House - 25 The Terrace | PO Box 3175 |
Wellington 6011 | NEW ZEALAND | Tel: +64 4 439 9000 |

Auckland | NZ Government Auckland Policy Office |Level 7, 167B Victoria
Street West | PO Box 106238 | Auckland City | Auckland 1143 | NEW ZEALAND
| Tel: +64 4 439 9000 |

Disclaimer: This email is only intended to be read by the named recipient.
It may contain information which is confidential, proprietary or the
subject of legal privilege. If you are not the intended recipient you must
delete this email and may not use any information contained in it. Legal
privilege is not waived because you have read this email.

Please consider the environment before printing this email.

--------------------------------------------------------------------------

References

Visible links
1. mailto:[FOI #34431 email]
2. mailto:[MOT request email]
3. https://fyi.org.nz/change_request/new?bo...
4. https://fyi.org.nz/help/officers

hide quoted sections

Kia ora Spencer,

 

Notification of Extension

 

This email is to notify you that the Ministry is extending the 20 working
days available to it to respond to your Official Information Act 1982 (the
Act) request pursuant to section 15A(1)(b) of the Act. 

 

We require an additional 16 working days as “consultations necessary to
make a decision on the request are such that a proper response to the
request cannot reasonably be made within the original time limit”.

 

You may now expect a full response to your request by 29 May 2026.
However, we will endeavour to respond to your request as soon as
practicable before this date.

 

Notification of Partial Transfer

 

Part of the information to which your request relates – namely points 2
and 4c copied below – is more closely connected with the functions of
Earth Sciences New Zealand (previously NIWA).

 

“Copies of any documents held from 1 January 2015 to present that:

               2.            Evaluate or discuss:

               •             aerosol–cloud interactions

               •             cloud condensation nuclei (CCN)

               •             cloud formation or reflectivity

               •             rainfall or precipitation effects

               4.            Include any modelling, monitoring, or
scientific assessments of:

               •             observable “ship track” phenomena”

 

 

In these circumstances, we are required by section 14 of the Act to
transfer your request.

 

Accordingly, parts 2 and 4c of your request are being transferred to Earth
Sciences New Zealand today. You will hear further from them in due course.

 

Please note you have the right under section 28(3) of the Act to approach
the Ombudsman about this extension.

 

Kind regards

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

 

From: OIA <[MOT request email]>
Sent: Friday, 10 April 2026 2:41 pm
To: SPENCER JONES <[FOI #34431 email]>
Cc: OIA <[MOT request email]>
Subject: RE: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions OC260287

 

Kia ora Spencer,

 

On behalf of the Ministry of Transport (the Ministry), I acknowledge your
Official Information Act request of 8 April 2026, seeking:

 

“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”

 

We will endeavour to respond to your request as soon as practicable, and
in any event no later than 7 May 2026, being 20 working days after the day
your request was received. If we are unable to respond to your request by
then, we will notify you of an extension of that timeframe.

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

-----Original Message-----
From: SPENCER JONES <[1][FOI #34431 email]>
Sent: Wednesday, 8 April 2026 7:17 pm
To: OIA <[2][MOT request email]>
Subject: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions

 

Dear Ministry of Transport,

 

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

 

-------------------------------------------------------------------

 

This is an Official Information request made via the FYI website.

 

Please use this email address for all replies to this request:

[3][FOI #34431 email]

 

Is [4][MOT request email] the wrong address for Official Information
requests to Ministry of Transport? If so, please contact us using this
form:

[5]https://apc01.safelinks.protection.outlo...

 

Disclaimer: This message and any reply that you make will be published on
the internet. Our privacy and copyright policies:

[6]https://apc01.safelinks.protection.outlo...

 

If you find this service useful as an Official Information officer, please
ask your web manager to link to us from your organisation's OIA or LGOIMA
page.

 

 

-------------------------------------------------------------------

 

References

Visible links
1. mailto:[FOI #34431 email]
2. mailto:[MOT request email]
3. mailto:[FOI #34431 email]
4. mailto:[MOT request email]
5. https://fyi.org.nz/change_request/new?bo...
6. https://fyi.org.nz/help/officers

hide quoted sections

Kia ora Spencer

 

I am writing to acknowledge receipt of the transferred request. In
accordance with the Official Information Act, we will be responding to
this request by 5 June, which is within 20 working days. We also wish to
advise that, as this request seeks some of the same information as your
previous request to us dated 8 April, we will be providing a combined
response for both.

 

Thank you for your understanding. If you have any questions regarding this
process, please feel free to get in touch.

 

Nāku noa, nā

Sarah

 

From: OIA <[MOT request email]>
Sent: Thursday, 7 May 2026 4:07 pm
To: [FOI #34431 email]
Cc: OIA <[MOT request email]>
Subject: Notification of Partial Transfer and Extension of your Official
Information Act request OC260287

 

Kia ora Spencer,

 

Notification of Extension

 

This email is to notify you that the Ministry is extending the 20 working
days available to it to respond to your Official Information Act 1982 (the
Act) request pursuant to section 15A(1)(b) of the Act. 

 

We require an additional 16 working days as “consultations necessary to
make a decision on the request are such that a proper response to the
request cannot reasonably be made within the original time limit”.

 

You may now expect a full response to your request by 29 May 2026.
However, we will endeavour to respond to your request as soon as
practicable before this date.

 

Notification of Partial Transfer

 

Part of the information to which your request relates – namely points 2
and 4c copied below – is more closely connected with the functions of
Earth Sciences New Zealand (previously NIWA).

 

“Copies of any documents held from 1 January 2015 to present that:

               2.            Evaluate or discuss:

               •             aerosol–cloud interactions

               •             cloud condensation nuclei (CCN)

               •             cloud formation or reflectivity

               •             rainfall or precipitation effects

               4.            Include any modelling, monitoring, or
scientific assessments of:

               •             observable “ship track” phenomena”

 

 

In these circumstances, we are required by section 14 of the Act to
transfer your request.

 

Accordingly, parts 2 and 4c of your request are being transferred to Earth
Sciences New Zealand today. You will hear further from them in due course.

 

Please note you have the right under section 28(3) of the Act to approach
the Ombudsman about this extension.

 

Kind regards

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

 

From: OIA <[1][MOT request email]>
Sent: Friday, 10 April 2026 2:41 pm
To: SPENCER JONES <[2][FOI #34431 email]>
Cc: OIA <[3][MOT request email]>
Subject: RE: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions OC260287

 

Kia ora Spencer,

 

On behalf of the Ministry of Transport (the Ministry), I acknowledge your
Official Information Act request of 8 April 2026, seeking:

 

“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”

 

We will endeavour to respond to your request as soon as practicable, and
in any event no later than 7 May 2026, being 20 working days after the day
your request was received. If we are unable to respond to your request by
then, we will notify you of an extension of that timeframe.

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

-----Original Message-----
From: SPENCER JONES <[4][FOI #34431 email]>
Sent: Wednesday, 8 April 2026 7:17 pm
To: OIA <[5][MOT request email]>
Subject: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions

 

Dear Ministry of Transport,

 

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

 

-------------------------------------------------------------------

 

This is an Official Information request made via the FYI website.

 

Please use this email address for all replies to this request:

[6][FOI #34431 email]

 

Is [7][MOT request email] the wrong address for Official Information
requests to Ministry of Transport? If so, please contact us using this
form:

[8]https://apc01.safelinks.protection.outlo...

 

Disclaimer: This message and any reply that you make will be published on
the internet. Our privacy and copyright policies:

[9]https://apc01.safelinks.protection.outlo...

 

If you find this service useful as an Official Information officer, please
ask your web manager to link to us from your organisation's OIA or LGOIMA
page.

 

 

-------------------------------------------------------------------

 

Sarah Fraser
National Manager - Communications
+64-7-856-1790 +64-21-609-703
Gate 10 Silverdale Road, Hillcrest, Hamilton, New Zealand
Earth Sciences New Zealand
[10]Earth Sciences New Zealand
The Institute of Geological and Nuclear Sciences Limited and the National
Institute of Water and Atmospheric Research Limited joined to become the
New Zealand Institute for Earth Science Limited. We are known as Earth
Sciences New Zealand. For more information on the Earth Sciences
transition [11]click here.

Notice: This email and any attachments may contain information which is
confidential and/or subject to copyright or legal privilege, and may not
be used, published or redistributed without the prior written consent of
Earth Sciences New Zealand. If you are not the intended recipient, please
immediately notify the sender and delete the email and any attachments.
Any opinion or views expressed in this email are those of the individual
sender and may not represent those of Earth Sciences New Zealand.

For information about how we process data and monitor communications
please see our [12]privacy policy.

References

Visible links
1. mailto:[MOT request email]
2. mailto:[FOI #34431 email]
3. mailto:[MOT request email]
4. mailto:[FOI #34431 email]
5. mailto:[MOT request email]
6. mailto:[FOI #34431 email]
7. mailto:[MOT request email]
8. https://fyi.org.nz/change_request/new?bo...
9. https://fyi.org.nz/help/officers
10. https://earthsciences.nz/
11. https://niwa.co.nz/about-niwa/science-se...
12. https://earthsciences.nz/privacy-policy

hide quoted sections

Kia ora Spencer

 

Please ignore the previous email of 4pm, which was sent in error.

 

I am writing to acknowledge receipt of the transferred request. In
accordance with the Official Information Act, we will be responding to
this request by 5 June, which is within 20 working days.

 

If you have any questions regarding this process, please feel free to get
in touch.

 

Nāku noa, nā

Sarah

 

 

From: OIA <[1][MOT request email]>
Sent: Thursday, 7 May 2026 4:07 pm
To: [2][FOI #34431 email]
Cc: OIA <[3][MOT request email]>
Subject: Notification of Partial Transfer and Extension of your Official
Information Act request OC260287

 

Kia ora Spencer,

 

Notification of Extension

 

This email is to notify you that the Ministry is extending the 20 working
days available to it to respond to your Official Information Act 1982 (the
Act) request pursuant to section 15A(1)(b) of the Act. 

 

We require an additional 16 working days as “consultations necessary to
make a decision on the request are such that a proper response to the
request cannot reasonably be made within the original time limit”.

 

You may now expect a full response to your request by 29 May 2026.
However, we will endeavour to respond to your request as soon as
practicable before this date.

 

Notification of Partial Transfer

 

Part of the information to which your request relates – namely points 2
and 4c copied below – is more closely connected with the functions of
Earth Sciences New Zealand (previously NIWA).

 

“Copies of any documents held from 1 January 2015 to present that:

               2.            Evaluate or discuss:

               •             aerosol–cloud interactions

               •             cloud condensation nuclei (CCN)

               •             cloud formation or reflectivity

               •             rainfall or precipitation effects

               4.            Include any modelling, monitoring, or
scientific assessments of:

               •             observable “ship track” phenomena”

 

 

In these circumstances, we are required by section 14 of the Act to
transfer your request.

 

Accordingly, parts 2 and 4c of your request are being transferred to Earth
Sciences New Zealand today. You will hear further from them in due course.

 

Please note you have the right under section 28(3) of the Act to approach
the Ombudsman about this extension.

 

Kind regards

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

 

From: OIA <[4][MOT request email]>
Sent: Friday, 10 April 2026 2:41 pm
To: SPENCER JONES <[5][FOI #34431 email]>
Cc: OIA <[6][MOT request email]>
Subject: RE: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions OC260287

 

Kia ora Spencer,

 

On behalf of the Ministry of Transport (the Ministry), I acknowledge your
Official Information Act request of 8 April 2026, seeking:

 

“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”

 

We will endeavour to respond to your request as soon as practicable, and
in any event no later than 7 May 2026, being 20 working days after the day
your request was received. If we are unable to respond to your request by
then, we will notify you of an extension of that timeframe.

 

Ngā mihi nui,

 

Breanne

OIA Adviser – Ministerial & Executive Services

Ministry of Transport Te Manatū Waka

 

-----Original Message-----
From: SPENCER JONES <[7][FOI #34431 email]>
Sent: Wednesday, 8 April 2026 7:17 pm
To: OIA <[8][MOT request email]>
Subject: Official Information request - Analysis of atmospheric and
climatic impacts of shipping emissions

 

Dear Ministry of Transport,

 

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

 

-------------------------------------------------------------------

 

This is an Official Information request made via the FYI website.

 

Please use this email address for all replies to this request:

[9][FOI #34431 email]

 

Is [10][MOT request email] the wrong address for Official Information
requests to Ministry of Transport? If so, please contact us using this
form:

[11]https://apc01.safelinks.protection.outlo...

 

Disclaimer: This message and any reply that you make will be published on
the internet. Our privacy and copyright policies:

[12]https://apc01.safelinks.protection.outlo...

 

If you find this service useful as an Official Information officer, please
ask your web manager to link to us from your organisation's OIA or LGOIMA
page.

 

 

-------------------------------------------------------------------

 

Sarah Fraser
National Manager - Communications
+64-7-856-1790 +64-21-609-703
Gate 10 Silverdale Road, Hillcrest, Hamilton, New Zealand
Earth Sciences New Zealand
[13]Earth Sciences New Zealand
The Institute of Geological and Nuclear Sciences Limited and the National
Institute of Water and Atmospheric Research Limited joined to become the
New Zealand Institute for Earth Science Limited. We are known as Earth
Sciences New Zealand. For more information on the Earth Sciences
transition [14]click here.

Notice: This email and any attachments may contain information which is
confidential and/or subject to copyright or legal privilege, and may not
be used, published or redistributed without the prior written consent of
Earth Sciences New Zealand. If you are not the intended recipient, please
immediately notify the sender and delete the email and any attachments.
Any opinion or views expressed in this email are those of the individual
sender and may not represent those of Earth Sciences New Zealand.

For information about how we process data and monitor communications
please see our [15]privacy policy.

References

Visible links
1. mailto:[MOT request email]
2. mailto:[FOI #34431 email]
3. mailto:[MOT request email]
4. mailto:[MOT request email]
5. mailto:[FOI #34431 email]
6. mailto:[MOT request email]
7. mailto:[FOI #34431 email]
8. mailto:[MOT request email]
9. mailto:[FOI #34431 email]
10. mailto:[MOT request email]
11. https://fyi.org.nz/change_request/new?bo...
12. https://fyi.org.nz/help/officers
13. https://earthsciences.nz/
14. https://niwa.co.nz/about-niwa/science-se...
15. https://earthsciences.nz/privacy-policy

hide quoted sections