Mark Duffett (@markduffett) 's Twitter Profile
Mark Duffett

@markduffett

Commercially irrational. Not my employer. Footy, energy, cricket, climate, geoscience. From South Australia to Tasmania via the Northern Territory

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calendar_today06-05-2008 10:09:29

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Mark Duffett (@markduffett) 's Twitter Profile Photo

Cost blowouts, delays, social licence challenges, financing difficulties due to insufficient early cashflows, problems getting approvals...no, not nuclear power. Transmission blog.energy-insights.com.au/who-pays-for-t…

The Honest Broker (@rogerpielkejr) 's Twitter Profile Photo

This might be my all-time favorite SSP5-8.5 paper ever Climate change is going to cause people to eat more ice cream and that will lead to a sweetness apocalypse by 2095 To prepare, we should put climate change warnings on food Can this even be real?

This might be my all-time favorite SSP5-8.5 paper ever

Climate change is going to cause people to eat more ice cream and that will lead to a sweetness apocalypse by 2095

To prepare, we should put climate change warnings on food

Can this even be real?
Mark Duffett (@markduffett) 's Twitter Profile Photo

"More solar has crept into the optimal energy mix up to ~30-40%...And I think it's starting to plateau at around about that level...the costs of running a mine on renewable energy started to rise "exponentially" beyond a certain point as the need to compensate for the

Adam Creighton (@adam_creighton) 's Twitter Profile Photo

Treasury's ëmissions 'modelling' wasn't economics, but propaganda. a) assumes in all scenarios 'net zero' achieved globally by 2050 (laughable); b) assumes quadrupling of demand for "clean energy embedded exports" without defining a single example; c) doesn't even model 'business

Treasury's ëmissions 'modelling' wasn't economics, but propaganda.
a) assumes in all scenarios 'net zero' achieved globally by 2050 (laughable);
b) assumes quadrupling of demand for "clean energy embedded exports" without defining a single example;
c) doesn't even model 'business
Mark Duffett (@markduffett) 's Twitter Profile Photo

'The fact is that we are enculturing young people in the opposite of what is healthy instead of teaching them to focus on what they can control. From the newsroom to the classroom, we have cast a spell. And we need to wake up from it."

Jacinta Nampijinpa (@jnampijinpa) 's Twitter Profile Photo

The Centre for Independent Studies (CIS, Centre for Independent Studies) has published a paper on renewable energy with interesting findings: Within Australia’s energy debate, a range of authorities and advocacy groups are pushing the idea that the rollout of renewable energy is gaining momentum. They

The Centre for Independent Studies (CIS, <a href="/CISOZ/">Centre for Independent Studies</a>) has published a paper on renewable energy with interesting findings:

Within Australia’s energy debate, a range of authorities and advocacy groups are pushing the idea that the rollout of renewable energy is gaining momentum.

They
Patrick T. Brown (@patricktbrown31) 's Twitter Profile Photo

I was recently on two episodes of the PBS show Energy Switch, hosted by Scott Tinker, alongside Andrew Revkin 🌎 ✍🏼 🪕 ☮️. The topic was extreme weather, disasters, and climate change. I highlight that elevated greenhouse gas concentrations, primarily from the burning of fossil fuels, are causing

I was recently on two episodes of the PBS show Energy Switch, hosted by Scott Tinker, alongside <a href="/Revkin/">Andrew Revkin 🌎 ✍🏼 🪕 ☮️</a>. The topic was extreme weather, disasters, and climate change.

I highlight that elevated greenhouse gas concentrations, primarily from the burning of fossil fuels, are causing
Abhishek Saha (@obhisheksaha) 's Twitter Profile Photo

Academic freedom matters most when contested work is controversial or offensive. Free debate legitimises knowledge: when this freedom is curtailed, even true ideas cease to be rationally justified. My latest for Quillette: "A Heretic Reprieved". quillette.com/2025/10/16/a-h…

The Honest Broker (@rogerpielkejr) 's Twitter Profile Photo

As we’ve been telling you … “the chance of the most catastrophic climate change, above 3°C, has gone down substantially” nature.com/articles/s4324…

The Free Press (@thefp) 's Twitter Profile Photo

My worldview was built on apocalyptic models sprung from faulty assumptions, writes Ted Nordhaus for The Free Press. thefp.com/p/i-thought-cl…

Mark Duffett (@markduffett) 's Twitter Profile Photo

"What if, in assessing risk, we are ignoring the elephant in the room - that extreme risk aversion is itself a major risk?"

PoIiMath (@politicalmath) 's Twitter Profile Photo

The story of how the American Academy of Pediatrics *caused* an epidemic of peanut allergies with their reckless and unscientific warnings is an important one in the suicide of expertise x.com/cremieuxrecuei…

Mark Duffett (@markduffett) 's Twitter Profile Photo

Minimal Arctic Sea Ice Loss in the Last 20 Years, Consistent With Internal Climate Variability - England - 2025 - Geophysical Research Letters agupubs.onlinelibrary.wiley.com/doi/full/10.10…