One Architecture & Urbanism (ONE)

A design and planning firm specializing in climate adaptation and waterfront infrastructure planning.

One Architecture & Urbanism (ONE) is an award-winning design and planning firm with offices in Amsterdam and New York. Established in 1995, the firm is known for its unique approach in which financial, technical, and organizational issues are addressed and resolved through design.

ONE is a global leader in large-scale climate adaptation and waterfront infrastructure planning. Under the leadership of founding principal Matthijs Bouw, ONE has been instrumental in the development of complex, multi-actor planning processes in the US, Europe, Latin America, and Southeast Asia. In their studios, designers work with engineers, policymakers, and communities to shape joint narratives, develop strategies, and implement projects.

ONE lead the a mangrove replanting project in the Water Window Challenge. Learn more about the project here.

Latest news and articles

Finance in Flux: a new reading of the resilience and adaptation finance landscape

A new joint paper from the Global Resilience Partnership and RAKSHA Intelligence Futures, published as the Global Partnerships Conference opens in London, argues that the binding constraint on resilience and adaptation finance now sits in the gap between knowing and acting.

Call for proposals for innovations across the Global South now open

We are launching an Innovation Challenge call to support bold, locally led solutions that strengthen resilience, protect ecosystems, and create sustainable opportunities for communities.

Protecting shea trees: Securing women’s livelihoods

Learn how protecting shea trees sustains livelihoods, strengthens rights, and empowers women

Advancing women’s rights to strengthen shea enterprises

In northern Ghana, digital mapping and access to finance are helping women shea producers like Adisah Zakaria turn invisible work into recognised assets, unlocking income, efficiency, and opportunity.

Bridging the gap: Scaling climate-resilient agriculture

Bridge funding helps transform RAIN innovations into scalable solutions that drive resilience and sustainable growth