Pierre-Luc Noel & Fritz Reichmann

Introducing Green IT practices to a large Software Company

A single compiler flag change reduced CPU usage by 9%. Discover the low-hanging fruit in Green IT that can slash your software's carbon footprint.

Introducing Green IT practices to a large Software Company
#1about 4 minutes

The scale and impact of IT's carbon footprint

The IT industry's 4% contribution to global carbon emissions is a significant problem that requires responsible action from large-scale companies.

#2about 1 minute

A four-step journey to sustainable software

A strategic framework for implementing green IT involves creating awareness, fostering engagement, measuring impact, and finally minimizing emissions.

#3about 7 minutes

Building awareness with Climate Fresk and communities

Tools like the Climate Fresk workshop and internal communities of practice are used to educate employees and create a shared language for collaboration.

#4about 6 minutes

Measuring software carbon intensity with SCI

The Software Carbon Intensity (SCI) formula provides a standard for measurement, but limitations in cloud provider data necessitate a complementary approach using application telemetry.

#5about 8 minutes

Practical examples of reducing software's footprint

Simple compiler flags, reducing logging waste, and making architectural trade-offs like externalizing a cache are concrete ways to lower resource consumption.

#6about 3 minutes

Sustaining green IT initiatives in the long term

Ensuring the longevity of green IT practices relies on demonstrating cost efficiency, gaining management buy-in, and fostering a persistent culture of sustainability.

Related jobs
Jobs that call for the skills explored in this talk.

Matching moments

Featured Partners

Related Videos

See all videos
It's not easy being green1:02:22

It's not easy being green

Marjolein Pordon

Minimising the Carbon Footprint of Workloads27:46

Minimising the Carbon Footprint of Workloads

Michael Mueller

11 Tips for Greener Code09:23

11 Tips for Greener Code

Kent Simonsen

An Architect’s guide to reducing the carbon footprint of your applications55:18

An Architect’s guide to reducing the carbon footprint of your applications

Ricardo Sueiras Sueiras

Green Cloud Computing35:20

Green Cloud Computing

Doreen Sacker

A Hitchhiker's Guide to Resource Efficient Software29:30

A Hitchhiker's Guide to Resource Efficient Software

Hendrik Lösch

Times of (climate) crisis - How and why sustainable software is a must!29:07

Times of (climate) crisis - How and why sustainable software is a must!

Hendrik Lösch

Introducing the W3C Web Sustainability Guidelines23:21

Introducing the W3C Web Sustainability Guidelines

Ines Akrap

Related Articles

View all articles
LM
Luis Minvielle
A Guide to Green Tech and Green IT Careers
Even though examples of green, sustainable technologies are as old as lazing and lounging in a Roman hot tub, green tech has experienced a big boom in the last few years as climate change, biodiversity loss, and pollution threaten our planet. By gree...
A Guide to Green Tech and Green IT Careers
DC
Daniel Cranney
Is Software Development Making the Climate Crisis Worse?
The incredible rate at which technology is developing is clear for all to see. Each week here at WeAreDevelopers, we hear about exciting innovations in the realms of hardware, software, devices, infrastucture, and (of course) AI. Each one presents op...
Is Software Development Making the Climate Crisis Worse?
CH
Chris Heilmann
With AIs wide open - WeAreDevelopers at All Things Open 2025
Last week our VP of Developer Relations, Chris Heilmann, flew to Raleigh, North Carolina to present at All Things Open . An excellent event he had spoken at a few times in the past and this being the “Lucky 13” edition, he didn’t hesitate to come and...
With AIs wide open - WeAreDevelopers at All Things Open 2025

From learning to earning

Jobs that call for the skills explored in this talk.

Full Stack Engineer

Full Stack Engineer

Climax.eco
Rotterdam, Netherlands

€70-100K
Senior
TypeScript
PostgreSQL
Cloud (AWS/Google/Azure)
Cloud Engineer (m/w/d)

Cloud Engineer (m/w/d)

fulfillmenttools
Köln, Germany

€50-65K
Intermediate
TypeScript
Google Cloud Platform
Continuous Integration
D365 Solution Architect

D365 Solution Architect

Amadeus FiRe AG
Frankfurt am Main, Germany

€71-89K
Azure
Microsoft Dynamics
Agile Methodologies
Software Architecture