Environmental Challenges and Their Impact on Contemporary World Politics: Sovereignty, Governance, and the Crisis of Collective Action Introduction The environmental question has emerged as one of the defining challenges of 21st-century world politics. Climate change, biodiversity loss, deforestation, pollution, and ecological degradation transcend national borders, affect global public goods, and increasingly structure political discourses, institutional … Continue reading What are the principal challenges that environmental issues pose to contemporary world politics, and how do they complicate the effectiveness of global governance, state sovereignty, and collective action in addressing climate change and ecological crises?