Ecosystem Assessment for Sustainable Livelihoods in the Lancang-Mekong Basin

United Nations 4 months ago

The Lancang-Mekong Basin (LMB) is endowed with incomparable richness, ranging from uncommon fauna amid breathtaking natural vistas to communities with distinct cultural history. It supports more than 60 million people and has some of the most naturally varied environments in the world. However, the LMB is also among the regions of the world that are most susceptible to the effects of deforestation and forest degradation. These processes impact local people, biodiversity and natural resources, and have cascading effects. This report sets out to assess changes to ecosystems and to livelihoods dependent on ecosystem services, using case studies demonstrated through pilot activities at selected areas in Cambodia and China. It also provides recommendations from the perspectives of both the case-study level and LMB regional level to promote improvements to ecosystem health, natural resources management and sustainable livelihoods.
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The sustainable construction sector continues to accelerate global efforts to reduce the carbon footprint of construction across the entire value chain. Energy efficiency in homes remains a central concern, with growing attention to heat pumps as part of low carbon design strategies that support net zero carbon buildings. Research from consumer advocates highlights persistent cost barriers, signalling the need for more robust policy frameworks to embed sustainable building design and whole life carbon assessment at the core of housing decarbonisation strategies. For most property portfolios, achieving measurable reductions in embodied carbon will demand both improved installation standards and greater financial incentives for energy-efficient buildings.

Concerns around water scarcity outlined by Durham University and Wave point to deep systemic vulnerabilities that may affect environmental sustainability in construction. As water infrastructure deteriorates, so too does the potential to maintain net zero whole life carbon outcomes in urban regeneration projects. Managing resource efficiency in construction becomes instrumental in mitigating the environmental impact of construction and sustaining life cycle performance across future developments. Without reforms supporting green infrastructure and more adaptive lifecycle assessment frameworks, achieving resilient, low carbon building stock will prove increasingly difficult by 2030.

Across the industry, the circular economy in construction continues to gain ground. ReLondon’s High Streets Beyond Waste programme demonstrates how sustainable urban development can converge with commercial innovation to redefine eco-design for buildings and promote low embodied carbon materials. Integrating circular construction strategies enables end-of-life reuse in construction and keeps the embodied carbon in materials lower across multiple asset cycles. These examples provide insight into how sustainable building practices and eco-friendly construction can stimulate new business models while cutting the overall carbon footprint of construction.

At a regulatory level, the introduction of the EU’s deforestation-free rules gives new weight to sustainable material specification and the demand for verifiable environmental product declarations (EPDs). Investors and developers face mounting obligations to demonstrate full life cycle thinking in construction, particularly when relying on renewable building materials. Aligning supply chains with carbon neutral construction targets and transparent reporting of embodied carbon metrics will distinguish market leaders from laggards as new BREEAM and BREEAM V7 standards shift focus toward the carbon footprint reduction imperative. Compliance with these frameworks signals a future where environmental sustainability in construction becomes not only ethical but legally enforceable.

Growing international recognition of ecocide as an offence underscores the urgency of addressing the environmental impact of construction practices. Companies unprepared to confront whole life carbon accounting risk potential reputational and legal penalties. The sector’s next frontier will centre on integrating lifecycle assessment, sustainable design, and life cycle cost evaluation across all phases of development. As demand for green construction and renewable materials expands, effective governance, innovation in low carbon construction materials, and stronger measurement of embodied carbon metrics will determine whether the construction industry can truly deliver the net zero carbon outcomes it promises.

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