"A comprehensive collection of essays covering a wide range of topics, from climate change and community empowerment to economic development and role-playing games. This volume of PSS offers readers an in-depth analysis of the modern world, skillfully combining academic research and the authors' own experience. At the same time, we draw your attention to classical works: L. Tolstoy's novel "War and Peace" is an eternal masterpiece, which wittily reproduces the fate of people in times of war, suggesting deep moral and ethical reflections."