This talk explores how programming languages impact software projects from their inception until their decommisioning. We investigate the relationship between language choice and deadlines, team productivity, and coding complexity. The influence of languages on system resources—such as CPU, memory, and disk space—as well as application scalability and performance are also covered.

We address the "invisible" topic of ongoing maintenance, explaining how language selection can help or impede future changes.

Additionally, we demonstrate how language efficiency affects the carbon footprint and the role IT plays in sustainability through their language decisions.

After attending, participants will know how to strike a balance between environmental stewardship, easy maintenance, strong performance, and efficient development. This talk equips listeners to choose languages wisely and sustainably, enabling more efficient software development using empirical facts and real-world examples.