What are the next geopolitical challenges of the century? The global pandemic has altered the equilibrium between Asia and the West and sealed the rift between China and the United States, accentuating the world’s shift towards the East. On this polarized chessboard, two fault lines converge: environmental degradation and technological propagation where the main strategic and economic rivalries are now being played out.

From the dawn of China’s space program in the mid-1950s to the ability to build, launch and operate satellites in low Earth and geosynchronous orbits from the 1980s, the People’s Republic of China (PRC) is in 2021 a complete space power with autonomous access to outer space and to deep-space exploration.

Whereas the strong ties between France and its former colonies in Africa have been studied extensively, the relationships between Portugal and Lusophone Africa have attracted less attention. This editorial offers insights into the political, economic, and diplomatic interactions between Lisbon and different African countries.

The topic of nuclear risk reduction has gained momentum in the international security debate among policymakers, nongovernmental organizations, and experts. 

For most of United States (US) history, environmental issues enjoyed bipartisan support. While Democratic President Johnson signed the Clean Air Act in 1963, Republican President Nixon established the Environmental Protection Agency (EPA) in 1970. America’s “environmental decade” culminated under President Carter, with Congress enacting ambitious environmental legislation. 

In the context of increasing awareness of the climate crisis, environmental parties across the EU obtained high scores in the European elections of May 2019, reaching 20% in Germany, 17% in Ireland, 16% in Finland and 13 % in France. Meanwhile, far-right parties gained strength.

With the advent of New Space, Russia is engaged in a race against time to preserve one of its major industrial assets.

With a look at evolutions over the past three decades, the thematic chapters cover French defense institutions and civil-military relations, the transformation of armed forces, nuclear deterrence, the defense industry, military interventions, and alliances.