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.

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