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The study finds that the Mekong River Commission frames climate change policy as science-based and short-term, while expanding its discourse to include justice, security, and development to attract donor support. However, the authors argue that these discursive trends result in the production of studies and project scoping rather than substantive adaptive actions in the basin.

The Mekong River basin is the world's most productive inland fishery and the third most species-rich river for fish, hosting 1,148 recognized species. However, nearly 20% of these species are threatened with extinction due to hydropower dams, habitat loss, sand mining, pollution, and climate change. The report highlights the critical role of fish in regional food security—providing over half of the animal protein for many Lower Mekong populations—and their economic value in aquaculture, the aquarium trade, and potential eco-tourism. To reverse these declines, the document proposes a six-pillar Emergency Recovery Plan focusing on natural river flow, water quality, habitat restoration, sustainable resource management, control of invasive species, and the removal of obsolete barriers.

The briefing examines the limitations of current water management frameworks, such as Integrated Water Resources Management (IWRM) and the water-energy-food nexus, in addressing water teleconnections. Using case studies from Colombia and Southeast Asia, it demonstrates how agricultural exports (coffee and rice) transfer 'virtual water' across borders, creating dependencies that are not captured by traditional basin-level planning. The author contends that a multi-scale approach is necessary to integrate local challenges with regional and global economic connections.

The report advocates for a shift in the role of hydropower within global energy grids, moving away from high-impact dams toward a mix of wind, solar, storage, and low-impact hydropower. It demonstrates through modeling in Chile and Uganda that protecting free-flowing rivers and national parks has minimal impact on system costs. The document highlights the Mekong River basin as a critical area where strategic planning could prevent the loss of migratory fish biomass and delta sediment. It concludes that achieving this vision requires system-scale planning, regulatory reform, and redirected financial flows from multilateral development banks and institutional investors.

The briefing argues that climate adaptation is currently undervalued and incorrectly viewed as a local problem, which hinders global ambition. It proposes a 'transboundary' approach to climate risk, recognizing that impacts in one country create risks in others through trade, biophysical flows, people, and finance. The authors review progress from COP23 and suggest that the Paris Agreement's mechanisms—such as the global stocktake and National Adaptation Plans—should be operationalized to track and manage these cross-border risks to avoid 'climate change contagion' in the global economy.

The report analyzes the critical role of sediment in the Mekong River Basin and the threats posed by human activity and climate change. It finds that hydropower dams and riverbed mining are drastically reducing sediment loads, which threatens the productivity of the Mekong Delta and Tonle Sap, impacts fisheries and agriculture, and increases coastal erosion. The authors recommend enhanced regional monitoring, better data sharing between China and Lower Mekong countries, and the integration of sediment management into the entire hydropower lifecycle.

The report assesses the biophysical and socioeconomic characteristics of the northern Nelson-Churchill River Basin (NCRB) in Manitoba, highlighting the economic value of its provisioning, regulating, cultural, and supporting ecosystem services. It identifies a lack of basin-wide planning and fragmented monitoring as key challenges. Drawing on case studies from the Fraser Basin, Mekong River Basin, and Quebec's Plan Nord, the document recommends establishing a multi-party, basin-level organization that includes Indigenous communities in shared decision-making, securing consistent funding through innovative mechanisms like trusts and user fees, and enhancing centralized data sharing and reporting to support sustainable development.

The report advocates for a transition from fragmented, boundary-based planning to an integrated watershed approach in northern Manitoba's Nelson-Churchill River Basin. It identifies critical ecosystem services—including hydroelectricity, mining, and carbon storage—and proposes seven principles for successful management: basin planning, leadership, multi-party approaches, shared decision-making with Indigenous communities, robust monitoring, legislative support, and sustainable funding. The authors recommend establishing a multi-party basin-level organization to coordinate sustainable development and mitigate environmental stresses from resource extraction and climate change.

The report evaluates Cambodia's efforts to mainstream climate resilience into development planning. It highlights strong political will, evidenced by the establishment of the National Climate Change Committee (NCCC) and the development of the Cambodia Climate Change Strategic Plan (CCCSP). However, it identifies significant gaps in information services, noting that hydrometeorological networks are fragmented and vulnerability assessments often produce contradictory results. Financially, climate-related expenditure is heavily dependent on external sources, with 86% of funding coming from outside the country between 2009 and 2011. While numerous projects have been implemented under the National Adaptation Programme of Action (NAPA), the report notes a recent shift toward programme-based approaches and community-level interventions.

The report examines the causes and consequences of water scarcity in Bangladesh, focusing on the Ganges-Brahmaputra-Meghna (GBM) basin. It analyzes bilateral water treaties between India and its neighbors (Pakistan, Nepal, and Bangladesh) and evaluates the effectiveness of multilateral organizations like the Nile Basin Initiative and the Mekong River Commission to identify best practices for regional cooperation. Primary research indicates a long-term decline in the dry-season flow of the Padma River, potentially exacerbated by the Farakka Barrage, while rainfall patterns remain largely stable. Stakeholder mapping reveals significant communication gaps between policymakers and affected populations, and the report suggests that water scarcity can act as a trigger for localized conflict, particularly in the Padma basin.

The report examines seven transboundary river basins—Congo, Okavango, Red, La Plata, Danube, Mekong, and Jordan—to evaluate how ecosystem services (ES) are integrated into Integrated Water Resources Management (IWRM). It finds that while IWRM planning is common, actual implementation is weak and often focuses on traditional services like hydropower and navigation, neglecting critical ES such as carbon sequestration and flood regulation. The authors argue that moving toward an ES-based 'benefit-sharing' model, supported by economic instruments like Payments for Ecosystem Services (PES), can overcome political, institutional, and financial barriers to sustainable transboundary water management.