David Hall
@dvdhll.bsky.social
• Climate Policy Director, Toha Network.
• Senior Lecturer in Climate Action, AUT.
https://www.toha.network/ | https://academics.aut.ac.nz/david.hall
• Senior Lecturer in Climate Action, AUT.
https://www.toha.network/ | https://academics.aut.ac.nz/david.hall
Want a quick brain-dump on some of the reports published over the last few weeks around #COP30?
The Transition(s) Lab has you covered with a special COP30 edition of The Pointillist, a quick-fire collage of reports, charts and links that caught my eye.
the-transitions-lab.ghost.io/the-pointill...
The Transition(s) Lab has you covered with a special COP30 edition of The Pointillist, a quick-fire collage of reports, charts and links that caught my eye.
the-transitions-lab.ghost.io/the-pointill...
The Pointillist #4: COP30 Special Edition
In this week's edition, a selection of new reports and charts that coincided with COP30. This includes charts on emissions and climate ambition, the economics of adaptation, just transitions, insuranc...
the-transitions-lab.ghost.io
November 24, 2025 at 9:27 PM
Want a quick brain-dump on some of the reports published over the last few weeks around #COP30?
The Transition(s) Lab has you covered with a special COP30 edition of The Pointillist, a quick-fire collage of reports, charts and links that caught my eye.
the-transitions-lab.ghost.io/the-pointill...
The Transition(s) Lab has you covered with a special COP30 edition of The Pointillist, a quick-fire collage of reports, charts and links that caught my eye.
the-transitions-lab.ghost.io/the-pointill...
I’ve written about #COP30 for The Transition(s) Lab.
When the gavel came down in Belém, there was no major diplomatic breakthrough, but that’s not all that COPs are about these days. In a multipolar world, that’s likely a good thing.
Read more here: the-transitions-lab.ghost.io/the-shift-2-...
When the gavel came down in Belém, there was no major diplomatic breakthrough, but that’s not all that COPs are about these days. In a multipolar world, that’s likely a good thing.
Read more here: the-transitions-lab.ghost.io/the-shift-2-...
The Shift #2: COP30 in a multipolar world
These are my reflections on COP30, the first climate COP that I have attended. I would like to thank the Toha Network for supporting my travel, Brazil's Ministry of Finance for the invitation to pre-C...
the-transitions-lab.ghost.io
November 23, 2025 at 2:14 AM
I’ve written about #COP30 for The Transition(s) Lab.
When the gavel came down in Belém, there was no major diplomatic breakthrough, but that’s not all that COPs are about these days. In a multipolar world, that’s likely a good thing.
Read more here: the-transitions-lab.ghost.io/the-shift-2-...
When the gavel came down in Belém, there was no major diplomatic breakthrough, but that’s not all that COPs are about these days. In a multipolar world, that’s likely a good thing.
Read more here: the-transitions-lab.ghost.io/the-shift-2-...
Reposted by David Hall
Today is the day!!! Existential Politics is out in the world!
Read about why we’re doing climate policy wrong (too focused on measuring emissions) & what we should do instead (focus on $$ to constrain fossil asset owners & expand green asset owners). Just in time for #COP30.
Read about why we’re doing climate policy wrong (too focused on measuring emissions) & what we should do instead (focus on $$ to constrain fossil asset owners & expand green asset owners). Just in time for #COP30.
Existential Politics
A new way to tackle the real politics of climate change through asset revaluation
press.princeton.edu
October 7, 2025 at 12:03 PM
Today is the day!!! Existential Politics is out in the world!
Read about why we’re doing climate policy wrong (too focused on measuring emissions) & what we should do instead (focus on $$ to constrain fossil asset owners & expand green asset owners). Just in time for #COP30.
Read about why we’re doing climate policy wrong (too focused on measuring emissions) & what we should do instead (focus on $$ to constrain fossil asset owners & expand green asset owners). Just in time for #COP30.
Reposted by David Hall
repost this if an editor has ever saved you from yourself
An actual hot take: Too many authors are afraid of editors watering down their voice or whatever and not afraid enough of editors letting you put any old slop on the page.
October 8, 2025 at 10:44 PM
repost this if an editor has ever saved you from yourself
Reposted by David Hall
One of our main goals is to support inter- and transdisciplinary work to achieve real-world impact.
If you're interested in regenerative mahi and thinking outside the box, check out our website: regen.aut.ac.nz
@autnews.bsky.social @dvdhll.bsky.social
@mribo.bsky.social
@lanipai.bsky.social
If you're interested in regenerative mahi and thinking outside the box, check out our website: regen.aut.ac.nz
@autnews.bsky.social @dvdhll.bsky.social
@mribo.bsky.social
@lanipai.bsky.social
October 6, 2025 at 8:49 PM
One of our main goals is to support inter- and transdisciplinary work to achieve real-world impact.
If you're interested in regenerative mahi and thinking outside the box, check out our website: regen.aut.ac.nz
@autnews.bsky.social @dvdhll.bsky.social
@mribo.bsky.social
@lanipai.bsky.social
If you're interested in regenerative mahi and thinking outside the box, check out our website: regen.aut.ac.nz
@autnews.bsky.social @dvdhll.bsky.social
@mribo.bsky.social
@lanipai.bsky.social
Reposted by David Hall
What does #regeneration mean to you?
We asked some of our steering committee and they had some great answers.
Check it out and let us know if we missed anything!
@autnews.bsky.social @dvdhll.bsky.social @mribo.bsky.social @lanipai.bsky.social #regenerate #regenerative #ecology #planning
We asked some of our steering committee and they had some great answers.
Check it out and let us know if we missed anything!
@autnews.bsky.social @dvdhll.bsky.social @mribo.bsky.social @lanipai.bsky.social #regenerate #regenerative #ecology #planning
October 2, 2025 at 8:55 PM
What does #regeneration mean to you?
We asked some of our steering committee and they had some great answers.
Check it out and let us know if we missed anything!
@autnews.bsky.social @dvdhll.bsky.social @mribo.bsky.social @lanipai.bsky.social #regenerate #regenerative #ecology #planning
We asked some of our steering committee and they had some great answers.
Check it out and let us know if we missed anything!
@autnews.bsky.social @dvdhll.bsky.social @mribo.bsky.social @lanipai.bsky.social #regenerate #regenerative #ecology #planning
When your government mandates an LNG import facility and allocates $200m in subsidies for new gas field developments...
October 2, 2025 at 3:42 AM
When your government mandates an LNG import facility and allocates $200m in subsidies for new gas field developments...
Five eyes: three half open, two closed shut?
September 21, 2025 at 8:52 PM
Five eyes: three half open, two closed shut?
Reposted by David Hall
I'm not sure many folks realize just how persistent the warming from CO2 is.
Here is a set of 1000-year climate model runs (using FaIR) simulating one year of CO2 emissions (40 gigatons in 2020); a millennia later the world has not cooled back down!
Here is a set of 1000-year climate model runs (using FaIR) simulating one year of CO2 emissions (40 gigatons in 2020); a millennia later the world has not cooled back down!
September 4, 2025 at 10:48 PM
I'm not sure many folks realize just how persistent the warming from CO2 is.
Here is a set of 1000-year climate model runs (using FaIR) simulating one year of CO2 emissions (40 gigatons in 2020); a millennia later the world has not cooled back down!
Here is a set of 1000-year climate model runs (using FaIR) simulating one year of CO2 emissions (40 gigatons in 2020); a millennia later the world has not cooled back down!
Reposted by David Hall
electrify coffee
electrify beer
an electrified future
is deliciously near
www.bloomberg.com/news/feature...
electrify beer
an electrified future
is deliciously near
www.bloomberg.com/news/feature...
August 10, 2025 at 8:23 PM
electrify coffee
electrify beer
an electrified future
is deliciously near
www.bloomberg.com/news/feature...
electrify beer
an electrified future
is deliciously near
www.bloomberg.com/news/feature...
This is why I feel ambivalent about *some* degrowth critiques of renewables. A shift to renewables is likely to reduce energy-related GDP (possibly following a temporary boost when everyone invests in the kit).
Lesson: up or down, GDP is just an unreliable guide to much of what we want to do.
Lesson: up or down, GDP is just an unreliable guide to much of what we want to do.
One interesting angle on the rise of solar (and batteries) is that fossil fuel burn contributes directly and trackably to GDP measures of economic activity, while power generation used directly does not.
Presumably the purchase of equipment counts in GDP, but after that it's an avoided cost.
Presumably the purchase of equipment counts in GDP, but after that it's an avoided cost.
June 9, 2025 at 8:38 AM
This is why I feel ambivalent about *some* degrowth critiques of renewables. A shift to renewables is likely to reduce energy-related GDP (possibly following a temporary boost when everyone invests in the kit).
Lesson: up or down, GDP is just an unreliable guide to much of what we want to do.
Lesson: up or down, GDP is just an unreliable guide to much of what we want to do.
Reposted by David Hall
There are many good & necessary criticisms of the transition to renewable energy & electrification.
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
No, it is not 'evil' to justify reducing energy consumption
Comment: The end goals of the global energy system are not so terrible that even more efficient forms of energy may be considered ‘lesser evils’
newsroom.co.nz
May 28, 2025 at 5:24 AM
There are many good & necessary criticisms of the transition to renewable energy & electrification.
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
There are many good & necessary criticisms of the transition to renewable energy & electrification.
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
No, it is not 'evil' to justify reducing energy consumption
Comment: The end goals of the global energy system are not so terrible that even more efficient forms of energy may be considered ‘lesser evils’
newsroom.co.nz
May 28, 2025 at 5:24 AM
There are many good & necessary criticisms of the transition to renewable energy & electrification.
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
There are also many bad types of criticism, one of which – I'm sorry to say – is the focus here for @newsroom.co.nz
Come for energy politics, stay for Hannah Arendt!
newsroom.co.nz/2025/05/22/n...
New research on the politics of climate change in Aotearoa New Zealand by @samcrawley.bsky.social & Ralph Chapman. www.tandfonline.com/doi/full/10....
Resolution and resistance: what shaped New Zealand’s climate change policies under the sixth Labour government?
The sixth Labour government under Jacinda Ardern placed climate change at the centre of their agenda, referring to it as the ‘greatest challenge facing the world’. Definite progress was made on cli...
www.tandfonline.com
January 13, 2025 at 7:17 PM
New research on the politics of climate change in Aotearoa New Zealand by @samcrawley.bsky.social & Ralph Chapman. www.tandfonline.com/doi/full/10....
Reposted by David Hall
All of our inflationary episodes have been driven by increases in global oil prices. Our country runs on diesel and petrol. It's an *input cost* for everything. But... to tackle inflation we increase the price of money, cos TINA. [2/n]
January 9, 2025 at 11:47 PM
All of our inflationary episodes have been driven by increases in global oil prices. Our country runs on diesel and petrol. It's an *input cost* for everything. But... to tackle inflation we increase the price of money, cos TINA. [2/n]
Electricity means efficiency ⚡ which also means fewer materials and less energy than you might think.
An explainer on materials and the energy transition for Rewiring Aotearoa: www.rewiring.nz/watt-now/ele...
An explainer on materials and the energy transition for Rewiring Aotearoa: www.rewiring.nz/watt-now/ele...
Electricity means efficiency
There are no free lunches in energy. But some lunches are far, far cheaper than others. Electrifying everything will massively reduce the overall material and energy requirements of the global energy ...
www.rewiring.nz
December 8, 2024 at 9:05 PM
Electricity means efficiency ⚡ which also means fewer materials and less energy than you might think.
An explainer on materials and the energy transition for Rewiring Aotearoa: www.rewiring.nz/watt-now/ele...
An explainer on materials and the energy transition for Rewiring Aotearoa: www.rewiring.nz/watt-now/ele...
Hi. I have an article in the new Policy Quarterly.
Upfront, the article is about policy mixes.
Backhandedly, it is about the narrow, flat-footed and highly idealising style of policy analysis that predominates in Aotearoa New Zealand.
Link here: ojs.victoria.ac.nz/pq/article/v...
Upfront, the article is about policy mixes.
Backhandedly, it is about the narrow, flat-footed and highly idealising style of policy analysis that predominates in Aotearoa New Zealand.
Link here: ojs.victoria.ac.nz/pq/article/v...
December 3, 2024 at 3:11 AM
Hi. I have an article in the new Policy Quarterly.
Upfront, the article is about policy mixes.
Backhandedly, it is about the narrow, flat-footed and highly idealising style of policy analysis that predominates in Aotearoa New Zealand.
Link here: ojs.victoria.ac.nz/pq/article/v...
Upfront, the article is about policy mixes.
Backhandedly, it is about the narrow, flat-footed and highly idealising style of policy analysis that predominates in Aotearoa New Zealand.
Link here: ojs.victoria.ac.nz/pq/article/v...
Reposted by David Hall
NEW | @hajmedd.bsky.social and I spent the last several months digging into McKinsey's work with its fossil fuel clients. Here's our story with the Guardian, ft. Koch Industries, China and a controversial Saudi government program to hook poor countries on oil www.theguardian.com/business/202...
‘A little dirty’: inside the secret world of McKinsey, the firm hooked on fossil fuels
Interviews and analysis of court documents show how the world’s most prestigious consulting firm quietly helps fuel the climate crisis
www.theguardian.com
November 20, 2024 at 1:43 PM
NEW | @hajmedd.bsky.social and I spent the last several months digging into McKinsey's work with its fossil fuel clients. Here's our story with the Guardian, ft. Koch Industries, China and a controversial Saudi government program to hook poor countries on oil www.theguardian.com/business/202...
Reposted by David Hall
DISPATCH @katemac.bsky.social @thepolycrisis.bsky.social
A Trumpist repeal of the climate portions of IRA, CHIPS would harm the US. Think of it as the opposite of global reaction after IRA passed. It creates billions of dollars in opportunities for other countries.
buttondown.com/polycrisisdi...
A Trumpist repeal of the climate portions of IRA, CHIPS would harm the US. Think of it as the opposite of global reaction after IRA passed. It creates billions of dollars in opportunities for other countries.
buttondown.com/polycrisisdi...
November 15, 2024 at 10:41 PM
DISPATCH @katemac.bsky.social @thepolycrisis.bsky.social
A Trumpist repeal of the climate portions of IRA, CHIPS would harm the US. Think of it as the opposite of global reaction after IRA passed. It creates billions of dollars in opportunities for other countries.
buttondown.com/polycrisisdi...
A Trumpist repeal of the climate portions of IRA, CHIPS would harm the US. Think of it as the opposite of global reaction after IRA passed. It creates billions of dollars in opportunities for other countries.
buttondown.com/polycrisisdi...
Reposted by David Hall
There is no “game over” in the fight against climate change. Today, it remains our collective task to continue to bend the arc of global emissions towards net zero. The next battle begins today. heatmap.news/ideas/trump-...
November 16, 2024 at 2:14 PM
There is no “game over” in the fight against climate change. Today, it remains our collective task to continue to bend the arc of global emissions towards net zero. The next battle begins today. heatmap.news/ideas/trump-...
We need to talk about #IndigenousDataSovereignty in nature markets.
This is a message that the Toha Network will be taking to the UN Biodiversity Conference COP16 next week.
#GreenSky #ClimateSky #adapt #AoNZ theconversation.com/nature-marke...
This is a message that the Toha Network will be taking to the UN Biodiversity Conference COP16 next week.
#GreenSky #ClimateSky #adapt #AoNZ theconversation.com/nature-marke...
‘Nature markets’ may help preserve biodiversity – but they risk repeating colonial patterns of Indigenous exploitation
Biodiversity credits could unlock new funding for nature restoration. But if this happens without consideration of Indigenous data sovereignty, it could create a new form of colonialism.
theconversation.com
October 16, 2024 at 9:50 PM
We need to talk about #IndigenousDataSovereignty in nature markets.
This is a message that the Toha Network will be taking to the UN Biodiversity Conference COP16 next week.
#GreenSky #ClimateSky #adapt #AoNZ theconversation.com/nature-marke...
This is a message that the Toha Network will be taking to the UN Biodiversity Conference COP16 next week.
#GreenSky #ClimateSky #adapt #AoNZ theconversation.com/nature-marke...
You've heard of 'carbon tunnel vision'...
At Rewiring Aotearoa, we argue for 'electric-panoptic vision' – that is, an integrated view of opportunities, risks, interconnections and trade-offs.
Read our explainer here: www.rewiring.nz/watt-now/peo...
At Rewiring Aotearoa, we argue for 'electric-panoptic vision' – that is, an integrated view of opportunities, risks, interconnections and trade-offs.
Read our explainer here: www.rewiring.nz/watt-now/peo...
August 5, 2024 at 10:29 PM
You've heard of 'carbon tunnel vision'...
At Rewiring Aotearoa, we argue for 'electric-panoptic vision' – that is, an integrated view of opportunities, risks, interconnections and trade-offs.
Read our explainer here: www.rewiring.nz/watt-now/peo...
At Rewiring Aotearoa, we argue for 'electric-panoptic vision' – that is, an integrated view of opportunities, risks, interconnections and trade-offs.
Read our explainer here: www.rewiring.nz/watt-now/peo...
We need #ClimateAction now. As much as possible. As soon as possible.
That’s why the Toha Network has hardwired its data economy with a sense of urgency. ⏱ How?
Read Toha's new explainer, ‘Introducing the Time Value of Action’, here: substack.toha.network/p/introducin...
That’s why the Toha Network has hardwired its data economy with a sense of urgency. ⏱ How?
Read Toha's new explainer, ‘Introducing the Time Value of Action’, here: substack.toha.network/p/introducin...
Introducing the Time Value of Action
We need action now. As much as possible. As soon as possible.
substack.toha.network
July 10, 2024 at 8:04 PM
We need #ClimateAction now. As much as possible. As soon as possible.
That’s why the Toha Network has hardwired its data economy with a sense of urgency. ⏱ How?
Read Toha's new explainer, ‘Introducing the Time Value of Action’, here: substack.toha.network/p/introducin...
That’s why the Toha Network has hardwired its data economy with a sense of urgency. ⏱ How?
Read Toha's new explainer, ‘Introducing the Time Value of Action’, here: substack.toha.network/p/introducin...
I've got some comments here on an article that called for "behavioural manipulation" - i.e. the "engineering of consent" by marketing techniques - as maybe "our best chance at avoiding ecological catastrophe."
My view, in short, is nah. news.mongabay.com/2024/03/ecol...
My view, in short, is nah. news.mongabay.com/2024/03/ecol...
Ecological overshoot is a ‘behavioral crisis’ & marketing is a solution: Study
A paper generated by the Merz Institute, an Aotearoa New Zealand-based think tank, and published in the journal Science Progress in 2023, hypothesizes that the environmental crises our planet faces to...
news.mongabay.com
March 21, 2024 at 7:44 PM
I've got some comments here on an article that called for "behavioural manipulation" - i.e. the "engineering of consent" by marketing techniques - as maybe "our best chance at avoiding ecological catastrophe."
My view, in short, is nah. news.mongabay.com/2024/03/ecol...
My view, in short, is nah. news.mongabay.com/2024/03/ecol...
Reposted by David Hall
Inaugural report out by Rewiring Aotearoa.
In short, electrifying your house will reduce your cost-of-living *and* your contributions to creating a fossil-fuel ravaged hellscape. www.rewiring.nz/electric-hom...
In short, electrifying your house will reduce your cost-of-living *and* your contributions to creating a fossil-fuel ravaged hellscape. www.rewiring.nz/electric-hom...
March 18, 2024 at 7:18 AM
Inaugural report out by Rewiring Aotearoa.
In short, electrifying your house will reduce your cost-of-living *and* your contributions to creating a fossil-fuel ravaged hellscape. www.rewiring.nz/electric-hom...
In short, electrifying your house will reduce your cost-of-living *and* your contributions to creating a fossil-fuel ravaged hellscape. www.rewiring.nz/electric-hom...