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Topic: Spain Blackout

[Episode #255] – Dwellings in Alaska

In the summer of 2025, Chris traveled to Alaska to explore the state's unique energy transition story by interviewing some of its energy experts.

Like every place, Alaska has a unique set of challenges and opportunities in the energy transition, and can offer insights drawn from its experience to the rest of the world. Alaska's extreme conditions and remoteness make it a proving ground for a wide array of energy transition solutions, as it grapples with a melting permafrost, supply chain constraints, dependence on federal support, and declining fossil fuel production in an age of climate change and climate action.

The state's greatest energy need is for heat during its long, very cold winters that typically last eight to nine months. In this conversation, Aaron Cooke, an architect and project manager at NREL's Alaska Campus in Fairbanks, joins us to discuss the lab's research on building techniques designed to retain warmth while ensuring healthy indoor environments. Their work tests designs to construct buildings that are comfortable, healthy, durable, and affordable in harsh climates, all while contending with logistical challenges, cultural needs, and climate adaptation.

Guest:

Aaron Cooke is a licensed Architect and Project Manager at NREL’s campus in Fairbanks, Alaska.  NREL’s center in Alaska is called the center for Applied Research with Communities in Extreme Environments, or ARCEE. Aaron has work experience across the circumpolar north, with projects in Alaska, Canada, Denmark, Greenland, Iceland, Norway and Russia, testing new methods of building durable and energy-efficient homes in the circumpolar regions. He has 17 years of architectural, construction, and research experience in Alaska and the greater Arctic. Cooke’s work primarily focuses on durable, affordable, healthy, and sustainable building design in extreme climates and remote locations. He works with architects, builders, technicians, local leaders, and Tribes to design, build, and monitor innovative buildings across the circumpolar north. He has taught northern architecture and engineering at the University of Alaska Fairbanks, the University of Washington, the University of Oregon, and the Danish Technical University of Greenland. He believes that northern environmental conditions and northern culture are inseparable factors that must both be equally reflected in architecture and design in order for it to be successful. He was born and raised in Alaska.

Geek rating: 2

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[Episode #254] – Global Electricity Review 2025

This episode cuts through the noise around energy transition progress with hard data from one of the year's most important reports.

Despite claims from both "fossil gradualists" who would like to see the energy transition fail, and "net-zero puritans" who deny that the energy transition is happening at all because emissions are still rising, the transition is very much under way and gathering momentum. Countries are switching to renewables, electrifying transportation and decarbonizing heating faster than even the most seasoned energy analysts thought was possible, while the fossil fuel holdouts still white-knuckling their strategies are quickly dwindling in number.

Ember, a clean energy think tank, published a report in April titled Global Electricity Review 2025 that plainly lays out these facts. One of its lead authors, Nic Fulghum, joins us to discuss the report's findings in a conversation absolutely packed with the data you can use to win any debate with a transition denier.

Nic outlines how solar is growing faster than any energy source in human history, electrification of transport and heating are advancing quickly enough to materially slash fossil fuel demand, and power generation from fossil fuels is headed into structural decline. Global power-sector emissions may finally be close to peaking, thanks to the accelerating energy transition.

Guest:

Nicolas Fulghum is a Senior Energy and Climate Data Analyst at the global energy think Ember, and one of the lead authors of Ember’s flagship report – the Global Electricity Review.

On Bluesky: @nicolasfulghum.bsky.social

On LinkedIn: https://www.linkedin.com/in/nicolas-fulghum/

On Twitter: @nicolasfulghum

Geek rating: 8

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