Blog

October 28, 2026

Interview with Ron Kamen of EarthKind Energy Consulting

This month I'm very pleased to share a recent conversation with Ron Kamen of EarthKind Energy Consulting. Ron is a force of nature in the world o

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October 1, 2026

Cleantech Stories I'm Following This Month

NYC Climate Week, a bipartisan permitting reform bill, states suing to save offshore wind, weaker mileage standards, rising gas prices, and the growing backlash against data centers.

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September 7, 2026

How Far Are We from 24/7 Renewable Energy?

Projects delivering round-the-clock solar power are multiplying. How close is the rest of the grid to 24/7 renewables — and what will it take to get there?

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IEA chart of oil and LNG exports through the Strait of Hormuz

August 6, 2026

Cleantech Trends — Mid-Year Review

Revisiting the cleantech stories of 2025 at the year's midpoint: energy security, the data center power crunch, and big bets on geothermal and fusion.

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June 2, 2026

Interview with Cycling Batteries CEO Adam Black

This week I’m delighted to share a conversation I recently had with Adam Black, CEO and Founder of the e-bike and battery startup, Cycling Batteries.

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May 4, 2026

Interview with EPDI Founder Ted Ko

I’m pleased this week to share a conversation I recently had with Ted Ko, the executive director of the Energy Policy Design Institute (EPDI). Ted is

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March 25, 2026

Peak Oil Part 2 — Iran War Edition

Energy Security Takes Center Stage On a normal day, about 20 million barrels of crude oil and oil product moves through the Strait of Hormuz — nearly

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February 11, 2026

Is it Finally Time to Start Talking About Peak Oil Again?

In the early aughts, a series of books from oil industry experts, petroleum engineers, and physicists warned that global oil production had peaked and

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December 17, 2025

Biggest Energy Transition Stories of 2025

2025 was a big year for cleantech and energy transition. Here’s a roundup of some of the most important things that happened — and a couple of trends

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Banner: Interview with Energy Economist Ahmad Faruqui

November 12, 2025

Debunking the Solar Cost Shift Myth

Economist Ahmad Faruqui on how California got net metering wrong and how smarter rate design could accelerate electrification and protect customers.

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October 8, 2025

AI-Driven Oil Abundance — A Climate and Security Nightmare?

Thoughts on the AI-Energy Security-Climate Nexus Climate Week in New York was inspiring. With a thousand-plus events, record-breaking international g

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a house with solar panels and the words accual not cash toward a new approach to energy accounting

September 16, 2025

Beyond the Monthly Bill — Rethinking Energy Accounting

Part two of the McGee Young interview: why energy behaves less like cash in a checking account and more like an asset on a balance sheet.

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Banner image of McGee Young, CEO of WattCarbon

September 9, 2025

Fix the Grid, Save the Planet

Part one of a conversation with WattCarbon founder McGee Young on why carbon accounting is broken — and how a market-based approach could fix it.

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July 31, 2025

The OBBBA Has Passed. What's Next for Energy Transition?

The One Big Beautiful Bill Act gutted many IRA clean energy incentives. What its passage means for EVs, solar, storage, and the energy transition.

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July 1, 2025

Is Energy Security the New Climate Change?

As clean energy faces US policy headwinds, energy security is emerging as the biggest global driver of decarbonization — and two new reports explain why.

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