Michael Mazengarb
@michaelmazengarb.bsky.social
Renewable Energy and Climate Change policy | Climate law. Writes at Tempests and Terawatts tempestsandterawatts.com
Pinned
The Beginning of the End for Carbon Offsets? Parents Take Energy Giant to Court
Court case could upend Australia’s carbon offset industry and reshape corporate climate claims.
www.tempestsandterawatts.com
Hearings in the greenwashing case Parents for Climate v EnergyAustralia start today in the Federal Court.
As a backgrounder, this is my write-up of its significance, and its potential to deliver a reckoning for the carbon offset industry.
www.tempestsandterawatts.com/p/the-beginn...
As a backgrounder, this is my write-up of its significance, and its potential to deliver a reckoning for the carbon offset industry.
www.tempestsandterawatts.com/p/the-beginn...
New piece in @reneweconomy.com.au
“The claims and promises of carbon offset schemes are falling so deep into the category of being ‘too good to be true’, that it’s becoming a genuine consumer protection concern.”
reneweconomy.com.au/buyer-beware...
“The claims and promises of carbon offset schemes are falling so deep into the category of being ‘too good to be true’, that it’s becoming a genuine consumer protection concern.”
reneweconomy.com.au/buyer-beware...
Buyer Beware: Carbon credit platforms repeating ills of the past
Claims and promises of carbon offset schemes are falling deep into the category of being ‘too good to be true’.
reneweconomy.com.au
January 23, 2026 at 3:30 AM
New piece in @reneweconomy.com.au
“The claims and promises of carbon offset schemes are falling so deep into the category of being ‘too good to be true’, that it’s becoming a genuine consumer protection concern.”
reneweconomy.com.au/buyer-beware...
“The claims and promises of carbon offset schemes are falling so deep into the category of being ‘too good to be true’, that it’s becoming a genuine consumer protection concern.”
reneweconomy.com.au/buyer-beware...
It is worth stressing that it has been barely a month since Australia suffered its worst terrorist attack, and the Liberals and Nationals have managed to make the response all about their own internal leadership crisis.
They have no business running our country.
They have no business running our country.
January 22, 2026 at 1:49 AM
It is worth stressing that it has been barely a month since Australia suffered its worst terrorist attack, and the Liberals and Nationals have managed to make the response all about their own internal leadership crisis.
They have no business running our country.
They have no business running our country.
how can you govern the country if you can’t even govern yourselves etc etc ad finitum
January 21, 2026 at 9:07 AM
how can you govern the country if you can’t even govern yourselves etc etc ad finitum
Never come to Australia.
January 20, 2026 at 2:12 AM
Never come to Australia.
"I feel badly for anybody who buys credits from Aetium in the belief they are helping ‘fight climate change’.”
- ANU's professor Andrew Macintosh, following our referral of Aetium to consumer watchdogs.
- ANU's professor Andrew Macintosh, following our referral of Aetium to consumer watchdogs.
An Australian carbon credit platform is issuing offsets for existing rooftop solar (doesn’t matter how old), existing trees and for merely driving your EV (the more you drive, the more offsets they’ll issue).
Climate Integrity has referred the company to the ACCC
www.theguardian.com/australia-ne...
Climate Integrity has referred the company to the ACCC
www.theguardian.com/australia-ne...
New Australian carbon credit scheme for solar and EVs accused of potentially misleading customers
Climate campaigners have complained to the ACCC about Aetium, saying the company failed a key global standard designed to incentivise carbon reduction
www.theguardian.com
January 18, 2026 at 10:11 PM
"I feel badly for anybody who buys credits from Aetium in the belief they are helping ‘fight climate change’.”
- ANU's professor Andrew Macintosh, following our referral of Aetium to consumer watchdogs.
- ANU's professor Andrew Macintosh, following our referral of Aetium to consumer watchdogs.
An Australian carbon credit platform is issuing offsets for existing rooftop solar (doesn’t matter how old), existing trees and for merely driving your EV (the more you drive, the more offsets they’ll issue).
Climate Integrity has referred the company to the ACCC
www.theguardian.com/australia-ne...
Climate Integrity has referred the company to the ACCC
www.theguardian.com/australia-ne...
New Australian carbon credit scheme for solar and EVs accused of potentially misleading customers
Climate campaigners have complained to the ACCC about Aetium, saying the company failed a key global standard designed to incentivise carbon reduction
www.theguardian.com
January 18, 2026 at 8:47 PM
An Australian carbon credit platform is issuing offsets for existing rooftop solar (doesn’t matter how old), existing trees and for merely driving your EV (the more you drive, the more offsets they’ll issue).
Climate Integrity has referred the company to the ACCC
www.theguardian.com/australia-ne...
Climate Integrity has referred the company to the ACCC
www.theguardian.com/australia-ne...
The production of deepfake images is now a premium feature of Grok.
www.abc.net.au/news/2026-01...
www.abc.net.au/news/2026-01...
X's Grok limits image generator over non-consensual sexual imagery
For more than a week, X's AI bot Grok has been generating sexual images of women and children at the request of other users, even when they ask it not to.
www.abc.net.au
January 9, 2026 at 9:59 PM
The production of deepfake images is now a premium feature of Grok.
www.abc.net.au/news/2026-01...
www.abc.net.au/news/2026-01...
Reposted by Michael Mazengarb
The US has some of the world’s best climate scientists (and more of them than anywhere else) & has contributed disproportionately to understanding the climate system. It’s idiotic for the US to withdraw from the UN Framework Convention on Climate Change & the IPCC but it’s on brand for this regime.
Withdrawing the United States from International Organizations, Conventions, and Treaties that Are Contrary to the Interests of the United States
MEMORANDUM FOR THE HEADS OF EXECUTIVE DEPARTMENTS AND AGENCIES By the authority vested in me as President by the Constitution and the laws of the United
www.whitehouse.gov
January 8, 2026 at 8:40 AM
The US has some of the world’s best climate scientists (and more of them than anywhere else) & has contributed disproportionately to understanding the climate system. It’s idiotic for the US to withdraw from the UN Framework Convention on Climate Change & the IPCC but it’s on brand for this regime.
Deeply concerning use of state force to effectively silence those advocating for a transition away from fossil fuels.
www.theguardian.com/world/2026/j...
www.theguardian.com/world/2026/j...
Indian police raid home of environmental activists over anti-fossil fuel campaign
Satat Sampada founders Harjeet Singh and Jyoti Aswathi say allegations are ‘baseless, biased and misleading’
www.theguardian.com
January 8, 2026 at 11:11 AM
Deeply concerning use of state force to effectively silence those advocating for a transition away from fossil fuels.
www.theguardian.com/world/2026/j...
www.theguardian.com/world/2026/j...
This is not great…
www.nytimes.com/2026/01/07/c...
www.nytimes.com/2026/01/07/c...
What Is the UNFCCC and Why Is the U.S. Pulling Out?
www.nytimes.com
January 8, 2026 at 11:10 AM
This is not great…
www.nytimes.com/2026/01/07/c...
www.nytimes.com/2026/01/07/c...
Says a lot about housing in Mosman that just 12 properties can provide enough land area for 103 mid-rise apartments.
January 7, 2026 at 10:21 PM
Says a lot about housing in Mosman that just 12 properties can provide enough land area for 103 mid-rise apartments.
A fun post for your summer reading, where I visit one of the world’s most beautiful and iconic bridges in perhaps one of the ugliest parts of New York City.
open.substack.com/pub/tempests...
open.substack.com/pub/tempests...
Summer Reading: The Bridge that Sydney Stole
In a smelly, haunting corner of New York City sits one of the world's most ironic bridge designs. But you must travel halfway around the world to see it in its true splendour.
open.substack.com
January 7, 2026 at 4:33 AM
A fun post for your summer reading, where I visit one of the world’s most beautiful and iconic bridges in perhaps one of the ugliest parts of New York City.
open.substack.com/pub/tempests...
open.substack.com/pub/tempests...
A poignant reminder that state violence has worked to serve fossil fuel interests for decades and decades.
January 3, 2026 at 10:14 PM
A poignant reminder that state violence has worked to serve fossil fuel interests for decades and decades.
We live in an era where the world learns that the United States has kidnapped the leader of another country in a social media post that’s sandwiched between advertisements for pillows.
January 3, 2026 at 9:47 AM
We live in an era where the world learns that the United States has kidnapped the leader of another country in a social media post that’s sandwiched between advertisements for pillows.
Humbled by this morning’s parkrun. Set pretty much the same time as my 1 Jan run, but went from 24th to 54th place.
Some New Year’s resolution runners are no messing around.
Some New Year’s resolution runners are no messing around.
January 3, 2026 at 1:06 AM
Humbled by this morning’s parkrun. Set pretty much the same time as my 1 Jan run, but went from 24th to 54th place.
Some New Year’s resolution runners are no messing around.
Some New Year’s resolution runners are no messing around.
Records of Andrew Bogut scrubbed from history (good thing)
January 1, 2026 at 6:33 AM
Records of Andrew Bogut scrubbed from history (good thing)
My king.
www.nytimes.com/2025/12/31/n...
www.nytimes.com/2025/12/31/n...
Zohran Mamdani Is Sworn In as Mayor of New York City
www.nytimes.com
January 1, 2026 at 5:58 AM
My king.
www.nytimes.com/2025/12/31/n...
www.nytimes.com/2025/12/31/n...
Reposted by Michael Mazengarb
Since vox has Instituted a paywall, here's a gift link giving everybody access
www.vox.com/energy-and-e...
www.vox.com/energy-and-e...
It’s time to think seriously about cutting off the supply of fossil fuels
A new paper makes the case for supply-side climate policy.
www.vox.com
December 31, 2025 at 9:49 PM
Since vox has Instituted a paywall, here's a gift link giving everybody access
www.vox.com/energy-and-e...
www.vox.com/energy-and-e...
How good is test cricket though?!
December 26, 2025 at 7:20 AM
How good is test cricket though?!
Who’s idea was it to let Eddie McGuire and Kyle Sandilands front the ‘Stand Up to Hate’ campaign? jfc
December 26, 2025 at 6:58 AM
Who’s idea was it to let Eddie McGuire and Kyle Sandilands front the ‘Stand Up to Hate’ campaign? jfc
Not sure framing the banning of pro-Palestinian marches as an ‘idea for tackling antisemitism’ will have the impact they think it will have…
December 26, 2025 at 2:03 AM
Not sure framing the banning of pro-Palestinian marches as an ‘idea for tackling antisemitism’ will have the impact they think it will have…
christmas pud time
December 25, 2025 at 4:26 AM
christmas pud time
Great piece by Giles at @reneweconomy.com.au about the bizarre misinformation brought to light, ironically, by the recent senate inquiry into climate information integrity
reneweconomy.com.au/i-am-accused...
reneweconomy.com.au/i-am-accused...
reneweconomy.com.au
December 22, 2025 at 7:56 AM
Great piece by Giles at @reneweconomy.com.au about the bizarre misinformation brought to light, ironically, by the recent senate inquiry into climate information integrity
reneweconomy.com.au/i-am-accused...
reneweconomy.com.au/i-am-accused...