Cleantech Clarity

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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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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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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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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