• Commentary
  • Research
  • Experts
  • Events
Carnegie China logoCarnegie lettermark logo
{
  "authors": [
    "Ulrich Kühn"
  ],
  "type": "legacyinthemedia",
  "centerAffiliationAll": "dc",
  "centers": [
    "Carnegie Endowment for International Peace"
  ],
  "collections": [],
  "englishNewsletterAll": "",
  "nonEnglishNewsletterAll": "",
  "primaryCenter": "Carnegie Endowment for International Peace",
  "programAffiliation": "NPP",
  "programs": [
    "Nuclear Policy"
  ],
  "projects": [],
  "regions": [
    "Russia"
  ],
  "topics": [
    "Nuclear Policy"
  ]
}
REQUIRED IMAGE

REQUIRED IMAGE

In The Media

A Letter From Moscow: (in)divisible Security and Helsinki 2.0

A Russian letter recently darkened Europe’s door. In it, Russian Foreign Minister Sergey Lavrov criticized the alliance’s understanding and use of a principle known as “indivisible security.”

Link Copied
By Ulrich Kühn
Published on Feb 14, 2022

War on the Rocks

About the Author

Ulrich Kühn

Nonresident Scholar, Nuclear Policy Program

Ulrich Kühn is a nonresident scholar at the Carnegie Endowment for International Peace, and the head of the arms control and emerging technologies program at the Institute for Peace Research and Security Policy at the University of Hamburg.

    Recent Work

  • Commentary
    Why Arms Control Is (Almost) Dead

      Ulrich Kühn

  • Report
    Preventing Escalation in the Baltics: A NATO Playbook

      Ulrich Kühn

Ulrich Kühn
Nonresident Scholar, Nuclear Policy Program
Ulrich Kühn
Nuclear PolicyRussia

Carnegie does not take institutional positions on public policy issues; the views represented herein are those of the author(s) and do not necessarily reflect the views of Carnegie, its staff, or its trustees.

More Work from Carnegie China

  • Commentary
    Is China Willing to Influence Russia on the Ukraine War?

    Beijing is trying to navigate the overall situation regarding Ukraine, especially the substance of interactions between Washington and Moscow.

      • Ellen Nakashima
      • Zhao Long
      • +1

      Ellen Nakashima, Zhao Long, Pavlo Klimkin, …

  • Commentary
    The Challenges Behind China’s Global South Policies

    While China will remain a significant political and economic force in the Global South, its ambition to leverage the Global South as a counterbalance to the United States and the Global North is far from assured.

      Xue Gong

  • Commentary
    Beyond the Putin-Kim Alliance: How Can the International Community Engage China to Contain Nuclear Risks Over the Korean Peninsula?

    Faced with an increase in strategic maneuvering by Moscow and Pyongyang, Beijing will not sit idly by and allow Putin and Kim to shape the security environment on its behalf.

      Tong Zhao

  • Commentary
    What Does Xi Jinping Want From Central Asia?

    China’s growing attention to Central Asia is perceived as a harbinger of tectonic shifts in regional geopolitics.

      Temur Umarov

  • Commentary
    China-Europe Relations, Two Years After Russia Invaded Ukraine

    The Russian invasion of Ukraine is a turning point in the EU-China relationship, and evolution of the China-Russia relationship will continue to impact EU-China relations.

      Yifan Ding, Alice Ekman

Get more news and analysis from
Carnegie China
Carnegie China logo, white
  • Research
  • About
  • Experts
  • Events
  • Contact
  • Careers
  • Privacy
  • For Media
Get more news and analysis from
Carnegie China
© 2026 Carnegie Endowment for International Peace. All rights reserved.