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Environment & Sustainability Tenders in the United States

Discover procurement opportunities and grant funding for sustainability, climate and environment. Renewable energy, water and sanitation, waste management, climate adaptation, biodiversity and nature-based solutions — curated for green contractors, climate consultancies, ESG-focused firms and environmental NGOs.

515 open opportunities in this category

Wind turbines and solar panels — renewable energy infrastructure

Who this is for

Renewable energy EPCs, water engineering firms, climate advisory, carbon verification bodies, environmental NGOs, ESG consultancies.

Top Funders

Major sources of procurement and grant funding in this category:

Green Climate Fund

The largest dedicated climate finance pool, funding mitigation and adaptation projects in developing countries.

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World Bank

Climate Change Action Plan, PROBLUE, energy transition and water global practice lending.

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GEF

Global Environment Facility — biodiversity, climate change, chemicals and waste.

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EU Green Deal

Horizon Europe, Innovation Fund, Modernisation Fund and the Circular Economy Action Plan.

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AfDB

African Development Bank — Sustainable Energy Fund for Africa, Desert to Power, African Water Facility.

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USAID

Climate and water security programming, resilience funding.

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Environment & Sustainability Opportunities

Discover procurement opportunities and grant funding for sustainability, climate and environment. Renewable energy, water and sanitation, waste management, climate adaptation, biodiversity and nature-based solutions — curated for green contractors, climate consultancies, ESG-focused firms and environmental NGOs.

Here is a selection of recent tenders and grants. Register for free to view all environment & sustainability opportunities.

Environment & Sustainability Tenders

United States, Oregon 2 Oct 2026 (Closes in 4 days) S-34000-00017962
United States, Massachusetts 21 Oct 2026 (Closes in 23 days) BD-27-1045-BWR00-BWR01-133675
United States, Oregon 3 Nov 2026 (Closes in 36 days) S-C01010-00018023
United States, Massachusetts 29 Sep 2026 (Closes tomorrow) BD-27-1045-BWSC0-BWSC1-133480
United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-27-1042-ENV-ENV01-133439
United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-24-1240-TOA01-TOA01-133410
United States, Massachusetts 22 Oct 2026 (Closes in 24 days) BD-27-2157-SERSG-SERSG-133441
United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-27-1321-TORTH-TORTH-133367
United States, Ohio 9 Oct 2026 (Closes in 11 days) cincinnati-oh-275X911178
United States, Massachusetts 16 Oct 2026 (Closes in 17 days) BD-27-1042-ENV-ENV01-133166
United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-23-1302-NAT01-CPO-133190
United States, Massachusetts 21 Dec 2026 (Closes in 84 days) BD-27-1045-BWR00-BWR01-133107
United States, Texas 9 Oct 2026 (Closes in 11 days) dallascityhall-BU26-00030999
United States, Massachusetts 30 Jun 2027 (Closes in 274 days) BD-25-1041-ENE01-ENE01-107704
United States, Massachusetts 5 Feb 2027 (Closes in 130 days) BD-25-1041-ENE01-ENE01-110103
United States, Massachusetts 30 Jun 2027 (Closes in 275 days) BD-25-1041-ENE01-ENE01-109842
United States, Massachusetts 30 Jun 2027 (Closes in 275 days) BD-25-1041-ENE01-ENE01-110104
United States, Massachusetts 1 Oct 2026 (Closes in 3 days) BD-26-1080-OSD03-OSD03-125640
United States, Massachusetts 23 Oct 2028 (Closes in 756 days) BD-26-1045-BPE00-BPE01-129113
United States, Massachusetts 7 Oct 2026 (Closes in 9 days) BD-27-1045-BWR00-BWR01-132526
United States, Massachusetts 28 Oct 2026 (Closes in 30 days) BD-27-1045-BWR00-BWR01-132812
United States, Massachusetts 18 Nov 2026 (Closes in 51 days) BD-24-1169-WLTHM-WLTHM-132953
United States, Massachusetts 2 Nov 2026 (Closes in 35 days) BD-27-1020-DCRFS-DC366-132960
United States, Massachusetts 2 Oct 2026 (Closes in 4 days) BD-27-1020-DCRCU-DC250-133000

Environment & Sustainability Grants

United States

The close date above is the date ROSES25 closes. The Step-2 due date will be announced at least 60 days before the Step-2 proposal due date. The Step-1 proposal due date is May 1, 2026. Step-2 proposals cannot be submitted if a Step-1 proposal was not submitted. NOTICE: Amended February 11, 2026. This amendment makes two corrections to this program element: The length of the Step-1 Proposal in Section 3.3.1 has been corrected from two pages to three, and the expected budget numbers given in the summary table are per award, per year, not the budget for all of the new awards in the SST. NOTICE: Amended February 3, 2026. This amendment releases the final text for this program element, which was previously TBD. Step-1 proposals are due May 1, 2026. The Step-2 due date will be announced at l...

The U.S. Standard Grants Program is a competitive, matching grant program that supports public-private partnerships carrying out projects in the United States that further the goals of the North American Wetlands Conservation Act. The program promotes partnerships projects that must involve a) only long-term protection, restoration, and/or enhancement of wetland and associated upland habitats to benefit a variety of wetland ecosystems and b) maintaining an abundance of waterfowl (ducks, geese, and swans) and other populations of wetlands-associated migratory birds consistent with the objectives of the North American Waterfowl Management Plan, U.S. Shorebird Conservation Plan, Waterbird Conservation Plan for the Americas, and Partners in Flight Bird Conservation Plan. The program require...

United States

The USGS is offering a funding opportunity to a CESU partner for research that will support the development of resources that expedite review and authorization of new projects. Resources include web-based tools that support project proponents and federal staff that review project documentation to conduct reviews more efficiently. This work is supporting the Permitting Council and their priorities by developing a cloud-native Environmental Review Partner Portal to support environmental review workflows. Central to this is improving availability and accessibility to sound ecological science products and data to inform and defend environmental permitting decisions. Therefore, this is inherently tied to ecosystem research and requires a performer with domain knowledge. The research to be co...

The purpose of the Special Research Grants Program for Aquaculture Research (Assistance Listing Number 10.200) is to support the development of a vibrant, robust, and profitable aquaculture industry in the United States by generating new, science-based information and technology to address industry constraints. Applied research is needed to develop practical solutions that will facilitate growth and remove limitations to expansion of the United States aquaculture industry. Results of projects supported by this program are intended to help improve the profitability of the United States aquaculture industry, reduce the multi-billion-dollar United States seafood trade deficit, increase domestic food security, expand markets for United States-produced products, and provide more jobs for rur...

NOFO Number: DE-FOA-0003623 – High-performance Optimized Recycled Nuclear Isotopes for Gen IV reactors (HORNIG) Agency Overview: The Advanced Research Projects Agency—Energy (ARPA-E), an organization within the Department of Energy (DOE), is chartered by Congress in the America COMPETES Act of 2007 (Public Law 110–69), as amended by the America COMPETES Reauthorization Act of 2010 (Public Law 111–358), as further amended by the Energy Act of 2020 (Public Law 116–260). ARPA-E issues this Notice of Funding Opportunity (NOFO) under its authorizing statute codified at 42 U.S.C. § 16538. The NOFO and any cooperative agreements or grants made under this NOFO are subject to 2 C.F.R. Part 200 as supplemented by 2 C.F.R. Part 910. ARPA-E funds research on, and the development of, transformative ...

United States

1) Note: A full study proposal and proposed budget are NOT requested at this time.2) Project Title: Installation Natural Resource Management Plan Implementation Support to Navy Region Hawaii and Joint Base Pearl Harbor-Hickam, Oahu, Hawaii.3) Brief Description of Anticipated Work: SEE ATTACTHED SOO FOR THIS INFORMATION.4) Period of Performance: The Base Period is 12 months from the date of award. There may be up to six (6) 12-month Follow-On Periods based on availability of funding.5) Please send responses or direct questions to:Nicholas A. ApreaGrants SpecialistUSACE, Fort Worth DistrictEmail: nicholas.a.aprea@usace.army.milNicole D. BakerProject ManagerUSACE, Fort Worth DistrictEmail: nicole.d.baker@usace.army.mil6) Timeline for Review of Statements of Interest: 30 calendar days from ...

United States

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by 02/27/2026. See the full posting on NSPIRES for details. This synopsis is a generic summary that is posted for each of the many individual "program elements" in NASA’s Research Opportunities in Space and Earth Sciences (ROSES) – 2025 solicitation. For specific information on this particular program element download and read the PDF of the text of this program element by going to Tables 2 or 3 of ROSES at https://solicitation.nasaprs.com/ROSES2025table2 and https://solicitation.nasaprs.com/ROSES2025table3, respectively, click the title of the program element of interest, a hypertext link will take you to a page for that particular program element. On that page, on the rig...

The Office of Insular Affairs (OIA) is seeking proposals for its Maintenance Assistance Program (MAP), which offers grant funding to support, develop, improve and institutionalize infrastructure maintenance practices in the insular areas. Funds can also be used for critical repairs to infrastructure.

The NIST Standards Coordination Office Curricula Development Cooperative Agreement Program (SCOCD CAP) is seeking applications from eligible applicants for activities to develop undergraduate and/or graduate level curricula to incorporate documentary standards, standards development, and standardization of information and content into seminars, modules, courses, and learning resources. The recipients will work with NIST to strengthen education and learn about documentary standards, standards development, and standardization.   

United States

Note: A full study proposal and proposed budget are NOT requested at this time.Project Title: AFCEC Land Management Mapping for CONUS/Europe/PACAF Air Force Installations. Brief Description of Anticipated Work: SEE ATTACHED SOO FOR THIS INFORMATION.Period of Performance: The base period of the agreement will extend 12 months from the date of award. There may be up to four 12 -month follow-on periods based on availability of funding.Please send responses or direct questions to:Maria LopezGrants SpecialistUSACE, Fort Worth DistrictEmail: Maria.E.Lopez@usace.army.milOffice: 817-886-1881ANDJoshua Wurtz Project ManagerUSACE, Fort Worth District Email: Joshua.C.Wurtz@usace.army.milOffice: 334-790-2568Timeline for Review of Statements of Interest: RSOIs are required to be posted...

United States

Proposals are being accepted by the Mineral Resources Program (MRP), Earth Mapping Resources Initiative (Earth MRI) for State geological survey Mine Waste activities. Funds are made available to participating State geological surveys for activities focusing on mine waste inventory and characterization data compilation and acquisition, sampling and mapping efforts in support of ongoing Earth MRI efforts. State geological surveys may also apply for travel funds to the annual 2026 Earth MRI workshop. In FY 2026, approximately $5M is available for allocation to USGS Mine Waste cooperative agreements through a competitive proposal process. All MRP funds must be obligated by Sep 30, 2026.

United States

The U.S. Geological Survey (USGS) Southwest Biological Science Center (SBSC) seeks to provide financial assistance to help build a program focusing on reclamation sciences to support energy development, critical minerals, and streamlining regulation. This program should identify opportunities to improve outcomes and efficiency of reclamation through (1) surveys of reclamation outcomes, analysis of existing experiments, and literature synthesis; (2) developing tools and maps to support reclamation; and (3) communicating new insights to stakeholders, including industry partners. There are currently significant challenges for management of lands following oil, gas, and mineral development, and other land disturbing activities in arid landscapes.

Choice Neighborhoods Implementation Grants support the implementation of a comprehensive plan that focuses on the revitalization of a severely distressed public housing and/or HUD-assisted housing project, while also improving the surrounding neighborhood and providing supportive services to improve quality of life outcomes for residents of the target housing project.

United States

Project Title: Cultural Resources Technical Guidance Support for Joint Base San Antonio, TexasA cooperative agreement is being offered ONLY to members of the Cooperative Ecosystem Studies Units (CESU) Program Region(s) identified above. Award will be made upon mutual agreement and acceptance of the terms and conditions contained in the request for proposal and the recipient’s CESU Joint and Cooperative Agreement (also known as the CESU Master Agreement).Responses to this Request for Statements of Interest will be used to identify potential organizations for this project. Approximately $479,752.50 is expected to be available to support this project for Task 1 andTask 2 of the Base Period. Additional funding may be available to the successful recipient for optional tasks and/or follow on ...

United States

The U.S. Department of the Interior, through the Bureau of Reclamation (Reclamation) administers a competitive grant program for small water storage and groundwater storage projects, authorized by Section 40903 of the Infrastructure Investments and Jobs Act (2021), Public Law 117-58. Reclamation administers the Small Surface and Groundwater Storage Program (Small Storage Program) to enhance water storage opportunities for future generations in support of the Department"s priorities.This Notice of Funding Opportunity (NOFO) Reclamation supports stakeholder efforts to stretch scarce water supplies and avoid conflicts over water in the 17 western states, Alaska, and Hawaii. Reclamation invites sponsors of small surface water and groundwater storage projects to request cost-shared funding f...

Open US NNH25ZDA001N-SCUBED
United States

This program element does not have a proposal due date. Proposals may be submitted at any time, pending certain eligibility timing issues related to resubmissions and duplicate proposal avoidance, see the program element text and appropriate overview appendix (e.g., B.1 or C.1). The date shown of 8/1/2026 is the last day that proposals may be submitted subject to the ROSES-25 rules and the current GCAM. The ROSES-26 version of this program element is planned to overlap with this ROSES-25 version by a few weeks, allowing continuous submission of proposals across ROSES years. NOTICE: Amended, January 22, 2026. Table C.2-1: Submission and Review Dates in Section 3.1 has been updated and a new final row with a cutoff date of August 1, 2026, has been added. Also, the expected budget and numb...

United States

Please note that this program requests optional Notices of Intent, which are due via NSPIRES by May 20, 2026. See the full posting on NSPIRES for details. Amended April 20, 2026. This amendment presents a new program element in ROSES-2025. Notices of Intent (NOIs) are requested by May 20, 2026, and Proposals are due July 21, 2026. Connection information for a Pre-proposal webinar that will occur on June 24, 2026, will be posted under "Other Documents" on the right side of this NSPIRES page. Proposals submitted to this program will be evaluated using dual anonymous peer review, see Section 13. An Open Science and Data Management Plan is not required, see Section 6. Proposers are strongly encouraged to use the Earth Science standard template for the Table of Work Effort, see Section ...

United States

This Notice of Funding Opportunity (NOFO) supports critical minerals and materials. Critical minerals and materials (CMM) are the building blocks for technologies foundational to U.S. energy dominance, national security, and industrial competitiveness. To build a secure domestic supply of CMMs, the U.S. Department of Energy (DOE) aims to support collaborative industry partnerships to prototype and pilot innovative processing technologies that are currently only proven at the bench scale to address CMM challenges in high impact areas. The CMM Accelerator program will advance these mid-stage innovations through validation, benchmarking, access to national lab test beds, testing in industry relevant environments, technoeconomic analysis, and life-cycle assessment. The program establishes a...

THIS IS NOT A REQUEST FOR APPLICATIONS. This announcement is to provide notice of NIC's continuation of Cooperative Agreement award 25JD03GLV4

United States

The U.S. Army Corps of Engineers (USACE) is seeking organizations to enter into a cooperative agreement for outdoor education and training, flood control infrastructure maintenance, effective environmental and recreational resource management, enhanced public engagement, and training/education opportunities – along with other related services.USACE is particularly interested in organizations that offer challenging education and job-training experiences for young adults, and support for formal post-high school education. This agreement aims to provide effective resource management, enhance public engagement, and offer training and education, all while promoting responsible stewardship of public lands and resources and developing future water and natural resource professionals.Statutory A...

The AFG Program provides financial assistance directly to eligible fire departments, nonaffiliated emergency medical service (EMS) organizations, and State Fire Training Academies (SFTAs) to equip and train emergency personnel to recognized standards, outfit responders with compliant personal protective equipment, provide funding to retrofit or modify facilities to protect personnel from known health hazards, acquire emergency response vehicles, design and implement health, wellness and resiliency programs that prepare responders for incident response, enhance operational efficiencies, foster interoperability, and support community resilience. 

United States

The Groundwater and Streamflow Information Program of the USGS is offering a cooperative agreement funding opportunity to States, federally recognized Native American Tribal governments, or local water-resources agencies that collect groundwater data to participate in the National Ground-Water Monitoring Network. The USGS is working to develop and administer the National Ground-Water Monitoring Network (NGWMN). This funding opportunity is to support data providers for the National Ground-Water Monitoring Network.Legal authority for this opportunity is provided under Public Law 111-11, Subtitle F—Secure Water: Section 9507 "Water Data Enhancement by the United States Geological Survey," as amended in 2024 by Public Law 118-174. Funds will be used to support connecting new data providers ...

United States

Through WaterSMART, the Bureau of Reclamation (Reclamation) leverages Federal and non-Federal funding to work cooperatively with States, Tribes, and other entities as they plan for and implement actions to increase water supply and hydropower reliability. The WaterSMART Program demonstrably advances Trump administration priorities, such as those identified in Presidential Executive Order 14154 (January 20, 2025): Unleashing American Energy (E.O.14154) and Secretarial Order 3418, and aligns with other priorities and requirements, such as those identified in Presidential Executive Order 14332 (August 7, 2025): Improving Oversight in Federal Grantmaking (E.O. 14332). The goal of the WaterSMART Large-Scale Water Recycling Projects funding opportunity is to invite eligible entities to apply ...

United States

The DOE Office of Science (SC), Office of Critical Minerals and Energy Innovation (CMEI), Office of Environmental Management (EM), Office of Nuclear Energy (NE), Office of Electricity (OE), and Hydrocarbons and Geothermal Office (HGEO) hereby announce interest in receiving applications from interdisciplinary teams addressing the Genesis Mission National Science and Technology Challenges to accelerate scientific discovery and research and development (R&D) workflows using novel artificial intelligence (AI) models and frameworks. By achieving AI advantage, these teams will advance the DOE's mission and ensure America’s security and prosperity by addressing energy, environmental, and nuclear challenges through science and technology. Teams are encouraged to leverage the exten...

United States

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by May 18, 2026. See the full posting on NSPIRES for details. NOTICE: Corrected April 23, 2026. Section 1.2 C has been updated to remove current ROSES ESD funding as an eligibility factor, but federal agency funding has been added to Section 2.4 as a programmatic factor. New text is in bold and deleted text is struck through. NOTICE: Amended April 17, 2026. This amendment adds this new program element to ROSES-2025. Mandatory Notices of Intent are due by May 18, 2026, and proposals are due June 17, 2026. NASA will host two virtual informational sessions on at 12 PM eastern time on May 14, 2026, and at 1 PM eastern time on May 26, 2026. Connect information for these virtual informational sessions will be...

Frequently Asked Questions

Who buys green tenders?

State utilities, national energy and water regulators, multilateral development banks, climate funds, and municipalities. Increasingly, private off-takers procure via public PPA frameworks.

How do grants differ from tenders in this space?

Grants typically fund feasibility, pilots, capacity building and TA — issued by climate funds, bilateral agencies and foundations. Tenders fund construction, equipment supply and O&M.

What compliance do green tenders require?

IFC Performance Standards, environmental and social safeguards, increasingly EU Taxonomy alignment for European-funded work, and local-content commitments.

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