International

For the first time in decades, Iranians awoke to a nation no longer led by Ayatollah Ali Khamenei, after coordinated US-Israeli strikes claimed his life, leaving the country facing a profoundly uncertain chapter.Diverse reactions unfolding nationwideThe news of Khamenei’s death has triggered a broad array of reactions throughout Iran, where residents in the capital and other major cities voiced restrained optimism, seeing the conclusion of his decades-long leadership as a moment that might reshape the country’s future. In several districts, impromptu celebrations broke out as crowds honked car horns, waved garments, and even pulled down monuments linked to the Islamic…

Modern nuclear power rests on a layered system of technical, organizational, regulatory, and institutional safeguards designed to prevent accidents, limit consequences if they occur, protect against malicious acts, and ensure that nuclear materials are not diverted for weapons. These safeguards are applied across the life cycle of a plant: siting, design, construction, operation, emergency planning, waste management, and decommissioning.Core principles: defense-in-depth and multiple physical barriersThe guiding principle follows a defense-in-depth approach, employing several independent protective layers to ensure that neither a single malfunction nor a human mistake results in a catastrophic release. Working alongside these safeguards are multiple physical barriers…

Rivers cross political borders more than any modern idea of territory can contain. More than 150 countries share transboundary river basins, and well over 260 international river and lake basins drain across political boundaries. When water is scarce or unevenly distributed, competition can escalate into political tension or even military posturing. Conversely, well-designed shared river agreements act as instruments of cooperation, turning a potential flashpoint into a platform for stable, mutually beneficial management. This article explains how and why these agreements prevent conflict, with examples, data, and practical lessons.Primary hazards linked to unregulated transboundary riversUncoordinated use of a shared river…

China is using a moment of global uncertainty to press its long-standing ambition of expanding the international role of its currency. Market volatility, a weakening US dollar, and political unpredictability have created conditions Beijing sees as unusually favorable.In recent months, global markets have been rattled by a blend of political and economic forces, many linked to policy signals emerging from the United States. The renewed presidency of Donald Trump has injected fresh uncertainty into trade, monetary strategy, and international diplomacy. As investors attempt to account for these shifting conditions, the US dollar has slid to its weakest levels in years,…

The international framework that has supported decades of relative stability is under growing strain, with a new global security assessment cautioning that forceful political upheaval, largely propelled by US leadership, is hastening the decline of established rules, alliances, and collective norms.According to the Munich Security Report 2026, the world is now experiencing what it labels “wrecking-ball politics,” a governing style in which forceful disruption takes precedence over stability and collective agreement, and the report contends that this shift is putting unprecedented pressure on the postwar international order, exposing it to its most significant challenges since its inception and generating repercussions…

Cities around the world face more frequent, longer and hotter heat waves as climate change continues to raise average temperatures and amplify extremes. Urban areas are especially vulnerable because the urban heat island effect concentrates heat: paved surfaces, dense buildings and low vegetation can raise local temperatures by 1–7°C relative to nearby rural areas. Preparing for this new normal requires a mix of near-term emergency measures, longer-term planning, infrastructure upgrades, public health interventions and community-focused equity work.The challenge: understanding why severe heat waves are becoming a rising threat to urban areasHeat waves heighten the likelihood of heat‑related illness, cardiovascular and…

The move toward low‑carbon electricity depends on grids being able to transfer, regulate, and oversee far greater and more unpredictable energy volumes than they were originally designed to handle, and these systems are repeatedly constrained by technical limits, entrenched practices, regulatory hurdles, and societal pressures. This article describes how that bottleneck functions, highlights real examples that reveal its impact, and presents practical ways to accelerate meaningful progress.How the grid’s physical layout clashes with clean energy productionGeography and resource mismatch. The best wind and solar sites are often far from demand centers. Offshore and remote wind farms, desert and high-sun regions…

A war or political conflict thousands of miles away can raise the price of everyday goods at home through a chain of economic and logistical links. Modern supply chains are tightly interwoven, and essential inputs such as energy, metals, food, and shipping capacity are concentrated in a relatively small number of producing regions. When conflict disrupts production, trade flows, insurance, or finance in those regions, the cost of inputs rises and producers pass those costs on to consumers.Key transmission channelsCommodity supply shocks — Conflicts that disrupt the export flow of oil, gas, wheat, fertilizers, or metals cut global availability and…

Freshwater is essential for life, food production, energy generation, industry, and ecosystem services. Yet the global distribution of accessible freshwater is limited and uneven. Only about 2.5% of the planet’s water is freshwater, and a very small fraction of that—roughly 0.3% of total global water—is readily accessible on the surface for human use. At the same time, population growth, urbanization, changing diets, and economic development are driving rising demand. Climate change, shrinking glaciers, groundwater depletion, pollution, and deteriorating infrastructure are reducing supply reliability. These forces combine to elevate water from a local resource management issue to a source of transboundary…

Bulgaria’s Nickolay Mladenov, a veteran diplomat, has stepped into one of the most demanding roles of his career: supervising the sensitive rollout of a US‑brokered initiative aimed at stabilizing Gaza and shaping its governance. His background, network, and standing will face significant scrutiny as he maneuvers through the region’s intricate political landscape.Mladenov’s path to this moment has unfolded over several decades of diplomatic work. In the early stages of his career, he assumed prominent roles within Bulgaria’s government, serving as defense minister at 37 and later taking on the position of foreign minister. His global portfolio broadened through his service…