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October 11, 2023

G20 (Group of Twenty)
What Does the G20 Do?

The Group of Twenty, an informal gathering of many of the world’s largest economies, is the premier global forum for discussing economic issues. But it has faced divisions over trade, climate change,…

World leaders sit around a circular table at the G20 summit in New Delhi, India.

August 15, 2023

United Nations
The Role of the UN Secretary-General

The United Nations’ top leadership position has broad authority to steer the organization’s agenda, but its impact has varied widely since 1946.

UN Secretary-General António Guterres is escorted by staff at a displaced persons camp in Somalia.

June 28, 2023

Diplomacy and International Institutions
What Does the G7 Do?

The Group of Seven (G7) serves as a forum to coordinate global policy, but experts are increasingly questioning the group’s relevance.

Leaders of G7 countries walk alongside one another.

March 3, 2014

Global Governance
The Group of Eight (G8) Industrialized Nations

After more than three decades of existence, the Group of Eight (G8) is struggling to defend its relevance amid criticism of its limited membership and lack of a compliance mechanism.

September 23, 2021

Space
Space Exploration and U.S. Competitiveness

U.S. space exploration inspired a generation of students and innovators, but NASA’s role has diminished, and the number of global space competitors is growing.

A rocket carrying NASA's Mars 2020 Perseverance Rover vehicle lifts off from the Cape Canaveral in Florida.