Russia is considering "de-ratifying" the Comprehensive Nuclear Test Ban Treaty, causing concern about the potential resurgence of nuclear tests and the future of international arms control.
The Bulgarian government faces a vote of no-confidence in parliament on October 13 over plans for a transition to cleaner energy and other policies in the energy sector that have sparked angry protests from miners and other workers
Amid geopolitical tensions, the EU is successfully diversifying its gas supply, reducing its reliance on Russia and increasing imports from other countries.