Sustainability and Corporate Social Responsibility

Mobile Mining

World's first DSL router made from old smartphone components achieves 70 percent circularity in electronics.

10 Years of Top Ratings for Sustainability

Ten Years of Top Sustainability Ratings

Telekom qualified for the 10th year for prestigious sustainability indices "Dow Jones Sustainability Index World and Europe" (DJSI).

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Artificial intelligence for greater energy efficiency.

Deutsche Telekom uses AI responsibly

Deutsche Telekom is looking at AI holistically: the aim is to exploit the benefits while keeping energy and resource requirements as low as possible.

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Earth Day is every day

Environmental and climate protection, resource conservation, or digital participation: At DT living responsibility is daily practice.

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Climate-neutral business, digital participation and excellent transparency

Deutsche Telekom has become more sustainable in 2023. In the new CR Report, we present our balance sheet and progress on ESG topics for 2023.

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Sustainability Day

We revised and sharpened our sustainability strategy in all areas.

#TAKEPART in fighting for a network without hate

No Hate Speech

Words must not become a weapon. Deutsche Telekom is fighting for a network without hate in which we treat one another respectfully.

More information in our online special

Data privacy and security

Find security tips and current information on data privaxy and security here.

Living responsibility, enabling sustainability

Deutsche Telekom has been committed to sustainability and social responsibility for nearly three decades. To improve transparency for our stakeholders, we assign our CR activities to the ESG perspectives. E for Environment - S for Social - and G for Governance.

Our ESG strategy

We take responsibility for the environment and society.

Two hands holding a smartphone displaying a green forest on its screen

Environment

Deutsche Telekom has made a clear commitment to climate-neutral business practices and the pursuit of a circular economy.

Video call between grandmother and grandchild.

Social

Deutsche Telekom considers itself an active member of society and takes responsibility when it comes to social issues.

Governance

Corporate governance lays the strategic foundation for sustainable behaviour.

Corporate Responsibility Report

On our way to the leading sustainable telco. Facts, figures and progress on ESG topics.

Sustainability for the curious

Sustainability at Deutsche Telekom explained simply and clearly.

Corporate responsibility news

View of Deutsche Telekom's booth at MWC 2025 in Barcelona.

Media

03‑03‑2025

AI phone, flying base stations and self-healing networks

Deutsche Telekom at the Mobile World Congress 2025: AI-based technology for everyone and the network of the future.

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Melanie Kubin-Hardewig, Vice President Group Corporate Responsibility.

Company

02‑26‑2025

Good news for sustainable business

It is here, our new Sustainability Statement, which we are publishing today as part of the Annual Report. With many figures, data and facts on the environment, social issues and corporate governance.

Management unplugged

Media

02‑11‑2025

Digital identity – From 18?

Telekom and Scytáles launch smart age check for the Internet.

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Media

02‑06‑2025

Mobile Mining

World's first DSL router made from old smartphone components. An innovative router achieves 70 percent circularity in electronics. Mainboard, processor and memory chips from old smartphones are used as "donor organs".

Media information

01‑22‑2025

Remote buffer overflow vulnerability in SharkSSL TLS Client Key Exchange handshake processing

A new remote buffer overflow vulnerability (CVE-2024-53379) was discovered in the SharkSSL library from 05.05.2024 (https://github.com/RealTimeLogic/SharkSSL/commit/64808a5e12c83b38f85c943dee0112e428dc2a43) by security evaluators of Deutsche Telekom Security...

Remote buffer overflow vulnerability in SharkSSL TLS Client Key Exchange handshake processing (pdf, 105.0 KB)