Opportunity Information: Apply for RFA ES 25 003
Time-Sensitive Research Opportunities in Environmental Health Sciences (R21 Clinical Trials Not Allowed) is an NIH funding opportunity (RFA-ES-25-003) designed for situations where researchers need to move quickly because a sudden event or policy shift creates a brief, non-repeatable chance to collect critical data. The core idea is to fund novel environmental health studies that cannot wait for the normal NIH timeline, especially when delays would mean losing the ability to capture perishable evidence such as human biological specimens (for example, blood, urine, saliva, or other biospecimens) or time-critical environmental exposure measurements (for example, air, water, soil, dust, or personal exposure monitoring). The program is meant to help the research community understand what happens to environmental exposures and health when the world changes abruptly, including natural disasters, human-caused disasters, emerging environmental public health threats, and major policy changes in the United States or internationally.
A central feature that makes this NOFO different from standard NIH grants is speed. The research proposed must truly require rapid review and fast funding because the scientific question depends on acting within a limited window of opportunity. To make that possible, NIH plans to use more frequent application due dates and an expedited process for peer review, council concurrence, and award issuance. From application submission to award, the expected turnaround is roughly 4 to 6 months, which is substantially faster than the typical NIH cycle. In practical terms, the strongest fit will be projects where the event, exposure scenario, or policy environment is changing quickly and the value of the data drops sharply over time, meaning that waiting would compromise scientific validity or make the research impossible.
The award mechanism is an R21, which is generally used for exploratory and developmental research. Consistent with the title, clinical trials are not allowed under this opportunity, so applicants need to frame their work as environmental health research focused on exposures, mechanisms, measurements, and observational or other non-trial human research approaches rather than interventional clinical testing. While the NOFO emphasizes human biological samples and environmental exposure data, the overall motivation is broader: generating timely evidence on the environmental health consequences of disruptive events and decisions, including impacts on communities, exposure pathways, and potential downstream health risks.
Eligibility is broad and includes many types of U.S. and non-U.S. organizations. Eligible applicants include state, county, city/township, and special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; federally recognized Native American tribal governments; tribal organizations that are not federally recognized tribal governments; public housing authorities/Indian housing authorities; nonprofits with and without 501(c)(3) status (excluding institutions of higher education in those nonprofit categories); for-profit organizations other than small businesses; and small businesses. The NOFO also explicitly highlights additional eligible groups such as Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISIs), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), Tribally Controlled Colleges and Universities (TCCUs), eligible federal agencies, faith-based or community-based organizations, regional organizations, U.S. territories or possessions, and non-domestic entities (foreign organizations). This wide eligibility reflects the reality that time-sensitive environmental health events often require coordination across universities, community organizations, public agencies, and international partners.
Administratively, the opportunity is categorized as a discretionary grant, aligned with activity categories spanning education, environment, and health, and it is associated with CFDA numbers 93.113 and 93.143. The listed award ceiling is $800,000. The posted closing date is December 1, 2025. Overall, this NOFO is best understood as a rapid-response research pathway for environmental health scientists who can demonstrate that an unpredictable event or policy change has created a fleeting opportunity to capture uniquely valuable exposure or biospecimen data, and who are prepared to launch high-quality research quickly once funding is awarded.Apply for RFA ES 25 003
- The National Institutes of Health in the education, environment, health sector is offering a public funding opportunity titled "Time-Sensitive Research Opportunities in Environmental Health Sciences (R21 Clinical Trials Not Allowed)" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.113, 93.143.
- This funding opportunity was created on 2024-12-02.
- Applicants must submit their applications by 2025-12-01. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
- Each selected applicant is eligible to receive up to $800,000.00 in funding.
- Eligible applicants include: State governments, County governments, City or township governments, Special district governments, Independent school districts, Public and State controlled institutions of higher education, Native American tribal governments (Federally recognized), Public housing authorities/Indian housing authorities, Native American tribal organizations (other than Federally recognized tribal governments), Nonprofits having a 501 (c) (3) status with the IRS, other than institutions of higher education, Nonprofits that do not have a 501 (c) (3) status with the IRS, other than institutions of higher education, Private institutions of higher education, For-profit organizations other than small businesses, Small businesses, Others.
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Frequently Asked Questions (FAQs)
What is this funding opportunity?
Time-Sensitive Research Opportunities in Environmental Health Sciences (R21 Clinical Trials Not Allowed) is an NIH funding opportunity announcement (RFA-ES-25-003) that supports rapid-response environmental health research when a sudden event or policy shift creates a short, non-repeatable window to collect critical data.
What is the main purpose of this NOFO?
The purpose is to enable researchers to move quickly to capture "perishable" environmental health evidence that would be lost or degraded if the study waited for a standard NIH application and award timeline. The emphasis is on generating timely evidence about how abrupt changes affect environmental exposures and potential health risks.
What makes this opportunity different from a typical NIH research grant?
The defining feature is speed. This NOFO is designed for proposals that require rapid review and fast funding because the research question depends on acting during a limited window of opportunity. NIH plans more frequent due dates and an expedited process for peer review, council concurrence, and award issuance.
How fast is the expected timeline from application to award?
The expected turnaround from application submission to award is roughly 4 to 6 months, which is substantially faster than the typical NIH cycle.
What types of situations are considered time-sensitive?
Situations include sudden, disruptive events or decisions that change exposures or exposure measurement conditions quickly, such as natural disasters, human-caused disasters, emerging environmental public health threats, and major policy changes in the United States or internationally.
What kinds of data does the NOFO highlight as "perishable" or time-critical?
The NOFO highlights data that can only be collected during a brief window, including human biological specimens (such as blood, urine, saliva, or other biospecimens) and time-critical environmental exposure measurements (such as air, water, soil, dust, or personal exposure monitoring).
What research topics or focus areas are a strong fit?
Strong-fit projects are novel environmental health studies where the event, exposure scenario, or policy environment is changing quickly and the value of the data drops sharply over time. The overall focus is on environmental exposures, exposure pathways, measurements, mechanisms, impacts on communities, and potential downstream health risks tied to abrupt changes.
What award mechanism is used for this opportunity?
This opportunity uses the NIH R21 mechanism, which is generally intended for exploratory and developmental research.
Are clinical trials allowed?
No. Clinical trials are not allowed under this funding opportunity. Applicants should frame their projects as environmental health research using observational or other non-trial human research approaches, and/or exposure and measurement-focused methods, rather than interventional clinical testing.
Is the research limited only to human biospecimens and exposure monitoring?
No. While the NOFO emphasizes rapid collection of biospecimens and environmental exposure data, the overall motivation is broader: producing timely evidence on environmental health consequences of disruptive events and decisions, including impacts on communities and exposure pathways.
Who is eligible to apply?
Eligibility is broad and includes many U.S. and non-U.S. organizations. Eligible applicants include state, county, city/township, and special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; federally recognized Native American tribal governments; tribal organizations that are not federally recognized tribal governments; public housing authorities/Indian housing authorities; nonprofits with and without 501(c)(3) status (excluding institutions of higher education in those nonprofit categories); for-profit organizations other than small businesses; and small businesses.
Are non-U.S. (foreign) organizations eligible?
Yes. The NOFO includes non-domestic entities (foreign organizations) among eligible applicants.
Are U.S. territories or possessions included in eligibility?
Yes. U.S. territories or possessions are explicitly highlighted among eligible groups.
Are tribal entities eligible?
Yes. Federally recognized Native American tribal governments are eligible, and tribal organizations that are not federally recognized tribal governments are also eligible. The NOFO also highlights Tribally Controlled Colleges and Universities (TCCUs).
Are minority-serving institutions highlighted as eligible?
Yes. The NOFO explicitly highlights Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISIs), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), and Tribally Controlled Colleges and Universities (TCCUs).
Are faith-based or community-based organizations eligible?
Yes. Faith-based or community-based organizations are explicitly highlighted as eligible.
Are for-profit organizations eligible?
Yes. For-profit organizations other than small businesses are eligible, and small businesses are also eligible.
Are eligible federal agencies allowed to apply?
Yes. Eligible federal agencies are explicitly highlighted as eligible applicants.
What is the maximum (ceiling) award amount listed?
The listed award ceiling is $800,000.
What is the application deadline (closing date)?
The posted closing date is December 1, 2025.
How is this opportunity categorized administratively?
It is categorized as a discretionary grant and is aligned with activity categories spanning education, environment, and health.
What CFDA numbers are associated with this opportunity?
This opportunity is associated with CFDA numbers 93.113 and 93.143.
What does NIH mean by a "limited window of opportunity" in this context?
It means a short, non-repeatable period created by an abrupt event or policy change during which critical exposure or biospecimen data can be collected. If data collection is delayed, the evidence may no longer be available, may change substantially, or may lose scientific value.
What should applicants be prepared to do if funded?
Applicants should be prepared to launch high-quality research quickly after award, because the program is intended for rapid-response studies where delays can compromise scientific validity or make the research impossible.
What types of events does the NOFO explicitly include?
The NOFO includes natural disasters, human-caused disasters, emerging environmental public health threats, and major policy changes, both in the United States and internationally.
What is the simplest way to describe the best fit for this NOFO?
It is best suited to environmental health scientists who can show that an unpredictable event or policy change created a fleeting chance to collect uniquely valuable biospecimen or exposure data, and who need rapid review and funding to capture that information in time.
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| Transformative Research to Address Health Disparities and Advance Health Equity (U01 Clinical Trial Optional) Apply for RFA NR 25 003 Funding Number: RFA NR 25 003 Agency: National Institutes of Health Category: Education, Environment, Health Funding Amount: $500,000 |
| Ruth L. Kirschstein National Research Service Award (NRSA) Individual Senior Fellowship (Parent F33) Apply for PA 25 424 Funding Number: PA 25 424 Agency: National Institutes of Health Category: Education, Environment, Health Funding Amount: Case Dependent |
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