Nature for Water's 5th Call for Proposals is open to advance water security across the globe. We aim to partner with local champions seeking to ideate and develop Nature-based Solutions (NbS) at landscape scale, to address water scarcity, flooding, and water quality issues. Winning applicants receive in-kind technical assistance from our N4W team to support program preparation and capacity-building. Typical applicants include utilities, river basin organizations, and water sector consortia.
N4W selection criteria focus on opportunities where we think our team can provide the greatest value, to help organizations transform ideas into implementation-ready NbS at landscape scale.
- Are you a river basin organization, government agency or utility managing bulk water resources or addressing flood risks?
- Are you, or do you have a local lead fluent in English and/or Spanish?
- Are you looking for technical assistance to further develop your NbS Program at landscape scale?
Then you should keep reading
Application Details
The application process will begin with a Call for Ideas, a short application designed to be completed in a few hours. Submissions will undergo a Rapid Screening to identify the 20 most promising ideas. Shortlisted applicants will then advance to the next phase, where they will submit a Detailed Proposal.
Resources for Applicants:
To help applicants navigate the process, N4W will provide:
- Introductory Webinar: The webinar was held on March 27, 2025. If you were not able to attend, the recording is available here [English]; [Spanish]
- Call for Ideas Application Form: High-level template, with top 20 applications receiving invitation to develop a Detailed Proposal.
- Detailed Proposal Form: More in depth questions required for invited applicants to submit full proposal.
You can read more about eligibility requirements and the evaluation criteria on our N4W Call for Proposals 3-Pager. (Spanish Version)
Application Form:
Formulario de aplicación en español
For guidance on the application, refer to our Application Guidance Note (Spanish Version) or watch this Guidance Video (Spanish Version).
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