Comment

Integrating knowledge across climate risks, societal responses and their interactions is a critical yet persistently challenging goal. We argue that advanced artificial intelligence frameworks, specifically foundation models, offer a new opportunity to unify these domains and support climate decision-making.

As cities heat up, climate shelters are increasingly vital for protecting people from extreme heat. Beyond temporary emergency stopgaps, Spain’s pioneering experience shows how climate, health and governance align to turn these spaces into enduring infrastructures of care and resilience.

Despite strong evidence that Indigenous stewardship sustains biodiversity and carbon stocks, carbon markets typically reward recovery from degradation rather than protection, often excluding Indigenous-managed lands. Rethinking additionality could align climate mitigation with care, equity and long-term ecosystem stewardship.

Regulation of property insurance pricing involves trade-offs that will determine how disaster risks impact households’ budgets. Allowing prices to reflect property-specific risks offers several benefits, but may cause a range of negative unintended consequences associated with declines in coverage.

Adaptation is often viewed as a local, highly contextual challenge; however, given the regional nature of many climate risks, adaptation could benefit from municipal collaboration. Here, I present four avenues of collaboration that support learning, discuss their advantages, and reflect on their effectiveness and challenges for urban adaptation.

Mountains, with their sharp climatic contrasts, are emblematic of climate-driven species movement and, ultimately, loss. Here, we argue that these same contrasts make mountains powerful natural laboratories for discovering the mechanisms that underlie biological change.

Visitors are increasingly drawn to disappearing glacier landscapes for their beauty and scientific value. This Comment examines the paradoxes reshaping relationships among glaciers, people and communities, and highlights research needed to avoid maladaptation harming local communities.

Climate change is tightening its grip on the world’s drinking water, threatening both safety and supply. Without urgent and coordinated adaptation of treatment systems, this overlooked vulnerability could compromise global water security.

Economists have spent a decade designing the perfect climate club, yet political reality has hitherto rendered these designs practically infeasible. The Open Coalition on Compliance Carbon Markets offers a path forward, but only if its architects recognize that understanding political feasibility is crucial to turning a declaration into a functioning carbon pricing club that could close the emissions gap.

Although climate action is undermined by political interests and institutional inertia, multiple safeguards are in place to prevent backsliding on progress so far, and positive feedbacks reinforce progress despite opposing forces. Key elements of climate action are irreversible and can be further strengthened by commitments, investments and positive narratives.

Transforming school environments into nature-based climate shelters not only promotes cooling and greening under extreme heat, but also fosters quality education, ecological restoration, empowerment and reconnection with nature, and provides children with healthier, safer, more playful, equitable and climate-proof spaces.

Climate change drives displacement and migration across the Americas, particularly exposing Latin American and Caribbean children to compounded health risks. We explore these health impacts, identify gaps in related US healthcare and health policy, and propose recommendations for how they can respond.

Climate denial in political discourse is fuelled by psychological factors such as psychological distance, cognitive dissonance, confirmation bias, loss aversion, existential anxiety and social identity. Effective communication strategies addressing deniers’ motivations are crucial as denial undermines urgent climate action.

Decarbonization of the tourism sector faces challenges of structural lock-ins. This Comment challenges the conventional narratives of green tourism and emphasizes to practice more transformative eco-friendly solutions rather than to consume less, with ecotourism as a promising alternative to encourage more low-carbon behaviour in daily life.

Recent United Nations policymaking on international emissions trading fails to reconcile longstanding flaws that could jeopardize the integrity of these programmes. We call for urgent action by policymakers to safeguard the future of the Paris Agreement.

Adaptation to climate change goes beyond the migration–non-migration divide. Families and communities combine mobility with rootedness, drawing on cultural ties, intergenerational learning, and lived knowledge to navigate risks and shape long-term futures.

Interactions between climate change and antimicrobial resistance across terrestrial, aquatic and health systems reveal shared drivers, synergies and trade-offs that shape health and environmental outcomes. This Comment outlines a solutions-oriented research agenda to advance evidence and action that addresses climate change and antimicrobial resistance as interconnected issues.

Objective assessments indicate that extreme heat is increasing health risks; however, many of the most exposed populations do not perceive extreme heat as risky. This misperception may undermine public awareness of the need for effective cooling strategies, leaving a dangerous blind spot in adaptation and protection.

Restrictions on civil society may drive climate activists to shift from protest to litigation. However, challenges to judicial independence, deregulation and anti-climate litigation mean that activists need to consider the conditions under which litigation leads to strengthened climate ambition and implementation.

Standardized quantitative emissions benchmarking is essential for corporate climate accountability, yet recent literature has critiqued this approach. We argue for structured pluralism with budget compliance — balancing methodological flexibility while preserving the disciplining power of carbon budgets.