When we first created the Koomey.com site circa 2010, we used Tumblr, which was a capable blogging site. We customized the site (with some difficulty) but it mostly performed well for a long time (almost 15 years). This past summer we started investigating other options, and soon settled on
Read moreThe modern data center lies at the heart of today’s digital global economy, performing computing tasks like e-commerce, communications, search, financial modeling, and artificial intelligence (AI). Data centers undergo constant change, both in the workloads they run 24x7 and the hardware that runs those applications. Lack of adequate planning
Read moreOur new article in Joule on data needs for understanding AI electricity use came out online today in Joule (link will be good until October 8, 2024). Here’s the summary section: As the famous quote from George Box goes, “All models are wrong, but some are useful.” Bottom-up AI
Read moreMy friend and colleague Danny Cullenward and I were on KQED Forum this morning, talking about the environmental impacts of our digital lives. Lesley McClurg was the host. You shouldn’t worry at all about your digital footprint, as we discussed in the show. It’s small and constantly improving,
Read moreThe frenzy over new projections of electricity growth continues to escalate. This excellent episode of the Energy Transition Show is the best counterweight to that crisis mentality that I’ve found. The show notes themselves are extensive for those who want to dig in further. Short summary: There are many
Read moreI worked with a stellar team of the world’s top experts on computing’s effect on energy and emissions to craft this commentary for Nature, which came out today (April 22, 2024): Luers, Amy, Jonathan Koomey, Eric Masanet, Owen Gaffney, Felix Creutzig, Juan Lavista Ferres, and Eric Horvitz. 2024.
Read moreThis conversation was a fun one. here’s the description: Will the rise of machine learning and artificial intelligence break the climate system? In recent months, utilities and tech companies have argued that soaring use of AI will overwhelm electricity markets. Is that true — or is it a sales pitch
Read moreIn 2011, we replaced lighting cans with LED inserts in our house, instantly reducing lighting energy use by 50% or more. The inserts looked like the ones on the left in the photos below. Recently (September 2023) I needed to buy a few more to replace some of the old
Read moreEvery year since Chris Nelder started the Energy Transition Show, he’s interviewed me for the annual roundup episode, and this year is no exception. We discuss the proper role of government in a capitalist economy, climate change doomism, how the fossil fuel industry rigs the system, and the difficulties
Read moreI, along with colleagues at World Resources Institute and Koomey Analytics, just had a commentary published in WIRES Climate Change. It’s titled “Abandon the idea of an ‘optimal economic path’ for climate policy”. Many economic modelers think that if given enough time, money, graduate students, and coffee they can
Read moreA quarter century ago, Arnulf Grübler published a book titled Technology and Global Change. On June 19th and 20th, 2023, students and colleagues of Arnulf gathered at Oxford for a symposium to honor him and discuss data and methods for understanding technology and global change for the next twenty five
Read moreIan Monroe and I talked with Allyson Klein at Tech Arena for her podcast about our book, Solving Climate Change: A Guide for Learners and Leaders. It’s a half hour conversation that covers many of the key lessons from our textbook. We think you’ll enjoy it. https://www.
Read moreOn May 10, 2023, Ian Monroe and I gave a live webinar for the Institute of Physics (IOP) about our latest book, Solving Climate Change: A Guide for Learners and Leaders. The webinar is still posted at the Physics World website, and if you register you can watch it on
Read moreSolving Climate Change: A Guide for Learners and Leaders, was released in late December 2022. The publisher, IOP, recently made if freely downloadable through May 21, 2023, so get it while it’s still free! Download it here: https://iopscience.iop.org/book/mono/978-0-7503-4032-8 The main website for the
Read moreMy talk on February 9, 2023 for the Salinas Rotary club is an expansion of points made in a commentary article by me and Professor Eric Masanet, UCSB, in Joule in 2021: Koomey, J., & Masanet, E. (2021). Does not compute: Avoiding pitfalls assessing the Internet’s energy and carbon
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