The dangers of nuclear proliferation, military competition, natural disasters, violent extremism, financial crises, climate change, and disease transcend national borders and pose a common risk.

• 核扩散、军备竞赛、自然灾害、暴力极端主义、金融危机、气候变化和疾病等危险都不受国境的限制，而构成共同的风险。