A newly released international report positions nature as critical climate-resilience infrastructure for China's Greater Bay Area, urging a shift from fragmented projects to a coordinated, region-wide investment portfolio across the Shenzhen River Basin.
A landmark report released during New York Climate Week calls for treating wetlands, rivers, and land corridors not as aesthetic additions to urban spaces, but as core ecological infrastructure designed to withstand extreme heat and flooding. The publication, titled A Resilient Greater Bay Area: Accelerating a Landscape-Scale Resilience Portfolio and Collaboration Model for the Shenzhen River Basin, was produced by The Nature Conservancy and the Columbia Climate School alongside the Hong Kong Institute of Landscape Architects and a coalition of project partners.
Economic Scale and Ecological Pressures in the Shenzhen River Basin
The geographic focus of the initiative is an economic and ecological heavyweight. The Greater Bay Area spans roughly 56,000 square kilometers, houses more than 88 million residents, and generates over RMB 15 trillion in annual Gross Domestic Product—surpassing US$2 trillion in yearly economic output. Within this massive urbanized zone, the cross-boundary Shenzhen River Basin serves as a microcosm of intense development pressure, biodiversity loss, and escalating climate vulnerability.
The region’s unique geography unites a heavily built-up river system with the internationally significant wetlands and coastal habitats of Shenzhen Bay, also known as Deep Bay. Experts point out that managing these interconnected watersheds requires looking past municipal or regional boundaries. Lulu Zhou, Director of Strategic Partnerships for Climate Resilience for The Nature Conservancy Asia Pacific, noted that the region has an opening to integrate natural systems before climate dangers become permanent fixtures of the landscape.
“Hong Kong’s Northern Metropolis region in the Shenzhen River – Deep Bay Basin has a unique opportunity to demonstrate how nature can be integrated into development before climate risks become locked into the landscape.”
Lulu Zhou, Director of Strategic Partnerships for Climate Resilience, The Nature Conservancy Asia Pacific
Shifting From Fragmented Projects to Systemic Portfolios
The core finding of the newly published framework is a clear operational warning: individual, isolated nature-based solutions are no longer sufficient against compounding environmental threats. Instead, stakeholders must assemble interconnected portfolios spanning infrastructure, housing, and regional development lifecycles. This systemic approach ranges from retrofitting older urban districts to embedding ecological safeguards into new developments before land-use patterns are permanently fixed.
This strategy aligns with broader institutional shifts across China, where systematic frameworks like the Ecological Conservation Redline system, Main Functional Zoning, and Gross Ecosystem Product accounting have integrated ecosystems into official development planning under national climate adaptation policies. By treating natural assets with the same strategic gravity once reserved for solar energy or power grids, planners aim to safeguard long-term food and energy security.
“The challenge is not simply to deliver more individual projects, but to understand how projects can be assembled into a larger and cross-boundary system of resilience.”
Johanna Lovecchio, Senior Director of Engagement and Impact at Columbia Climate School
Cross-Boundary Collaboration and Investor Engagement
The report is the culmination of a year-long partnership that gathered momentum during a dedicated planning week earlier in the year. During NbS Action Week in June 2026, more than 60 leaders and practitioners representing over 40 distinct organizations—spanning government agencies, finance institutions, academic bodies, engineering firms, and conservation groups—convened to shape a shared vision for the Greater Bay Area.
For these large-scale resilience portfolios to attract private and public capital, they must move beyond traditional conservation metrics. Organizers stress that regional portfolios must demonstrate measurable risk reduction, quantifiable economic value, and avoided losses, backed by reliable revenue streams where appropriate to ensure long-term financial viability.