The emergence of artificial intelligence (AI) in the past decade has profoundly transformed multiple areas of knowledge and industry. However, this transformative potential presents two sides of the same coin: on the one hand, the promise of smarter, more efficient, and fairer development; on the other hand, an increasing impact on energy, environmental, social, and ethical terms. In this context, computer science play an essential role in ensuring that the development and use of AI are sustainable—not only energetic, but also social and ethical. This editorial explores how recent advances open promising paths and what challenges remain.
For AI to become a true engine of sustainable development, the computer science community must adopt a holistic approach combining technical optimization (efficiency, hardware, software), computational ethics (fairness, explainability, values), and social governance (inclusion, access, impact). We will develop these aspects in two main dimensions: energy sustainability and social/ethical sustainability.
Energy sustainability: Computational efficiency
The exponential growth of AI models, particularly large-scale generative models and the so-called Large Language Models (LLMs), has generated an energy and carbon footprint that can no longer be considered marginal. A recent review shows that the so-called “Green AI” has become a cornerstone of the sustainability of the AI ecosystem
Computer sciences contribute techniques such as pruning (removing unnecessary parameters), quantization (reducing weight precision), and knowledge distillation (transferring knowledge to smaller models). A comprehensive framework
A landmark study
Beyond the models themselves, the supporting infrastructure must also be revised. In
An emerging technique for efficiency is federated learning, which reduces the need for centralized data transmission and storage. Cost and emission reductions when applying federated reinforcement learning in buildings are shown in
Together, computer sciences promote AI’s energy sustainability through three key vectors: algorithmic optimization, greener infrastructures, and decentralized deployment models. However, efficiency alone is not enough; we must also consider social and ethical impact.
Social and ethical sustainability
The sustainability of AI is not limited to its energy footprint; it also concerns social justice, fairness, explainability, and alignment with human values. Computer sciences play a crucial role in designing frameworks, algorithms, and tools that operate responsibly. A computational framework of human values aimed at incorporating ethical principles into AI systems is presented in
The relationship between explainable AI (XAI) and fairness is critically reviewed in
AI deployment must account for community inclusion, equitable access, and transparency in its impact. A recent sociotechnical approach published in 2025 addresses the intersection of bias and social justice in AI systems
Computer science provides tools and frameworks capable of addressing bias, transparency, auditing, and human values in AI. Integrating these aspects with technical efficiency is the key to achieving truly sustainable AI.
This editorial argues that sustainable AI development requires a dual perspective: energy efficiency through technical optimization and renewable infrastructures, and social and ethical sustainability through value-based frameworks, fairness, and transparency. Computer sciences are central to designing algorithms and systems that make AI both powerful and responsible.
Future research priorities include the development of social metrics integrable into algorithms, auditing tools combining energy efficiency and data fairness, infrastructure aligned with renewable energy and resource traceability, participatory governance models including communities and developing countries, and longitudinal studies linking technical results with human development indicators.
For AI to become a true engine of sustainable development, it is not enough to advance in capabilities; we must design with awareness, measure with rigor, and govern with fairness.