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

Inefficient software silently inflates your carbon emissions and computing costs. With strict climate regulations looming, sustainable architecture is no longer optional. Master resource efficiency to guarantee corporate compliance.

- **Speakers:** [Hendrik Lösch](https://www.wearedevelopers.com/@hendrik-losch)
- **Event:** World Congress 2024
- **Published:** August 20, 2024
- **Duration:** 29:07
- **URL:** https://www.wearedevelopers.com/videos/988-times-of-climate-crisis-how-and-why-sustainable-software-is-a-must

## Summary

The software industry operates against the undeniable backdrop of the climate crisis, but cultural "disaster fatigue" often stalls meaningful action. Bridging the gap requires understanding upcoming regulatory and economic shifts, such as the EU's Corporate Sustainability Reporting Directive (CSRD), the ESG framework, and global sustainability legislation. These pressures force organizations to prioritize long-term viability, transforming software from a passive business utility into a heavily scrutinized driver of global resource consumption and carbon emissions.

Addressing this challenge involves an essential distinction: achieving sustainability *by* software to optimize external industries versus optimizing sustainability *in* software architecture directly. Driven by the "induction effect"—where advances like AI dramatically increase cloud energy demands—developers must actively scrutinize processing, storage, and network transmission overhead. Ignoring systemic inefficiencies, such as accumulating "dark data" that provides zero business value or inadvertently increasing network traffic through unoptimized serverless setups, silently inflates both computing costs and real-world emissions.

Organizations can formally structure their reduction efforts using the Green Software Foundation's Software Carbon Intensity (SCI) specification, recently formalized as the ISO 21031 standard. This methodology emphasizes base energy efficiency, hardware efficiency via writing software that extends device lifespans, and carbon awareness through region-shifting deployments toward cleaner regional energy grids. Because developer decisions compound exponentially when deployed to users in production, everyday architectural choices become crucial. When seeking executive buy-in for these engineering pivots, pitching initiatives as "resource efficiency" usually secures far more traction than leading with ecological arguments.

**Keywords:** sustainable software architecture, ESG reporting frameworks, CSRD compliance, software carbon intensity specification, green software foundation, dark data management, cloud resource efficiency, EU green deal, technology induction effect, carbon-aware software deployments, serverless transmission overhead, hardware lifespan extension, ISO 21031 standard, software resource efficiency

## Chapters

1. **Understanding the climate crisis context and disaster fatigue** (00:03) — Rising temperatures and extreme weather events lead to psychological exhaustion and financial drains on modern societies.
1. **Defining core sustainability pillars and ESG corporate frameworks** (06:49) — The ESG framework guides investors by evaluating companies across ecological, social, and economic impact pillars.
1. **How global legislation and market competition drive sustainability** (09:54) — International laws and reporting directives push companies toward sustainable operations while stimulating domestic green economies.
1. **Distinguishing between sustainability by software and in software** (14:47) — While digital tools solve environmental problems, heavy resource consumption from advanced AI technologies creates its own massive ecological footprint.
1. **Optimizing software architectures to minimize infrastructure resource drain** (17:31) — Architectural decisions around processing approaches, storage volumes, and unused dark data heavily dictate both ecological outcomes and cloud service costs.
1. **Applying standard metrics to measure software carbon intensity** (21:00) — Standardized industry frameworks assist development teams in improving energy utilization, maximizing hardware longevity, and operating with geographic carbon awareness.
1. **Framing sustainability as resource efficiency for leadership buy-in** (25:18) — Positioning environmental system improvements directly as compute cost savings immediately secures essential managerial support for sustainable software practices.

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- [Implementing architectural best practices for sustainable software systems](https://www.wearedevelopers.com/videos/1414-a-hitchhiker-s-guide-to-resource-efficient-software) (from "A Hitchhiker's Guide to Resource Efficient Software")
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- [Connecting web performance optimization to ecological sustainability](https://www.wearedevelopers.com/videos/937-sleek-swift-and-sustainable-optimizations-every-web-developer-should-consider) (from "Sleek, Swift, and Sustainable: Optimizations every web developer should consider")
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- [Analyzing the climate impact of the software industry](https://www.wearedevelopers.com/videos/792-introducing-green-it-practices-to-a-large-software-company) (from "Introducing Green IT practices to a large Software Company")

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