This year marks 75 years since the first digital software was written. It’s become a new and widespread human discipline, daily touching most people on the planet through the work of some 27 million software developers, plus millions more associated people.

Like all vibrant disciplines, making and running software is sustained by reflection and the remediation of old practices. There is one practice in particular that has become harmful for both the discipline of technology development and for the planet. It’s software’s role in adding to atmospheric carbon. Here’s how we begin to change that.

How We Got Here

Let’s begin by thinking about…