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.

518 open opportunities in this category

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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

On-Call Heating, Ventilation, and Air Conditioning Services for the Vehicle Inspection Program

TENDER Open

United States, Oregon 29 Oct 2026 (Closes in 31 days) S-34000-00017370

Supply and Installation of Solar Mini-Grids and Communication Infrastructure for

TENDER Open

United States, FIJI 26 Oct 2026 (Closes in 27 days) UNDP-FJI-00824

Introduction Scope of Requirements The objective of this tender is to select a supplier (or suppliers) for the supply and installation of: ● Component 1: Solar Mini-Grid PV systems ● Component 2: Modular Based Communication Systems with Outdoor Wi-Fi Network according to the provided technical specifications at the specified FREF site. For the following Site; Raviravi Village, Beqa Island -18.3...

Procurement and Installation of Solar-Powered Water Well System in AlKufra

RFQ Open

United States, LIBYA 10 Oct 2026 (Closes in 11 days) UNDP-LBY-00731

Introduction Scope of Works for Supply and Installation of Solar-Powered Water Well System in Al Kufra (Well No.1) Project Description: The objective of this project is to supply, install, test, commission, and hand over a complete solar-powered water pumping system for an existing water well in Al Kufra. The system shall provide a reliable and sustainable water supply through the utilization o...

Supply & Install Solar PV System for Water Refilling Station in Basilan

RFQ Open

United States, PHILIPPINES 12 Oct 2026 (Closes in 13 days) UNDP-PHL-01036

Introduction Interested suppliers must submit their offer directly in the system as instructed in the solicitation document, following the instructions in the available user guide. In case you have never registered before, you can register a profile using the registration link shared via the procurement notice and following the instructions in guides available in the UNDP website: https://www.u...

Printer Repair and Maintenance for the Vehicle Inspection Program

TENDER Open

United States, Oregon 2 Oct 2026 (Closes in 4 days) S-34000-00017962

DEP-BWR-NOI-FY27-M36 grant announcement only

TENDER Open

United States, Massachusetts 21 Oct 2026 (Closes in 23 days) BD-27-1045-BWR00-BWR01-133675

Facility Plan for the Clackamas County Garbage & Recycling Transfer Station

TENDER Open

United States, Oregon 3 Nov 2026 (Closes in 36 days) S-C01010-00018023

Independent Medical Examination (IME) RFR

TENDER Open

United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-27-1042-ENV-ENV01-133439

Cooperative Bid for Highway Rock Salt, Solar Salt, and LCC 32%, IFB 301/016/27

TENDER Open

United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-24-1240-TOA01-TOA01-133410

Royalston Solar Landfill RFP

RFP Open

United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-27-1321-TORTH-TORTH-133367

DEP-BWR-NOI-FY27-MS4 grant announcement only

TENDER Open

United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-27-1045-BWR00-BWR01-133228

Recycling Program Sponsorship Planning & Management Services (Re-solicitation)

TENDER Open

United States, Ohio 9 Oct 2026 (Closes in 11 days) cincinnati-oh-275X911178

Sale of Trash Truck https://www.publicsurplus.com/sms/auction/view?auc=4081520. No documents availab

TENDER Open

United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-23-1302-NAT01-CPO-133190

DEP-BWR-NOI-FY27-LIS Nitrogen Reduction Grantt ANNOUNCEMENT ONLY

TENDER Open

United States, Massachusetts 21 Dec 2026 (Closes in 84 days) BD-27-1045-BWR00-BWR01-133107

Residential Recycling Public Education Campaign

TENDER Open

United States, Texas 9 Oct 2026 (Closes in 11 days) dallascityhall-BU26-00030999

LBE Solar-Decarbonization Grant Program for State Entities

TENDER Open

United States, Massachusetts 30 Jun 2027 (Closes in 274 days) BD-25-1041-ENE01-ENE01-107704

DOER PON-ENE-2025-013 Climate Leader Communities Decarbonization Accelerator Grant Program

TENDER Open

United States, Massachusetts 5 Feb 2027 (Closes in 130 days) BD-25-1041-ENE01-ENE01-110103

ENE53 Ultra-Low Sulfur Diesel, Biodiesel and Renewable Diesel

TENDER Open

United States, Massachusetts 1 Oct 2026 (Closes in 3 days) BD-26-1080-OSD03-OSD03-125640

DEP-BPE-RFR-2026-CERP-Wastewater Energy Recovery Pilot Grant (WWER) GRANT ANNOUNCEMENT ONLY

TENDER Open

United States, Massachusetts 23 Oct 2028 (Closes in 756 days) BD-26-1045-BPE00-BPE01-129113

DEP-BWR-NOI-FY27-604b grant announcement only

TENDER Open

United States, Massachusetts 7 Oct 2026 (Closes in 9 days) BD-27-1045-BWR00-BWR01-132526

DEP-BWR-NOI-FY27-319 grant announcement only

TENDER Open

United States, Massachusetts 28 Oct 2026 (Closes in 30 days) BD-27-1045-BWR00-BWR01-132812

Trash and recycling collection and transportation

TENDER Open

United States, Massachusetts 18 Nov 2026 (Closes in 51 days) BD-24-1169-WLTHM-WLTHM-132953

Grant - UCF Tree Canopy Enhancement Grant Program

TENDER Open

United States, Massachusetts 2 Nov 2026 (Closes in 35 days) BD-27-1020-DCRFS-DC366-132960

FY2027 DCR Watershed System Salt Reduction Grant

TENDER Open

United States, Massachusetts 2 Oct 2026 (Closes in 4 days) BD-27-1020-DCRCU-DC250-133000

Cascade Locks Fire Station Solar Plus Storage Microgrid Design/Build Services

TENDER Open

United States, Oregon 1 Oct 2026 (Closes in 3 days) S-X33157-00017870

Environment & Sustainability Grants

Improving Lake Superior outflow regulation and quantifying uncertainty

Open US W81EWF-26-SOI-0004

United States

A. The U.S. Army Corps of Engineers (USACE) invites proposals for a project to conduct a comprehensive uncertainty analysis for new outflow rating equations associated with a critical water control structure on Lake Superior. The primary focus of this funding opportunity is to enhance the accuracy and reliability of discharge measurements, which are fundamental to the effective management of the Great Lakes system under the Lake Superior Regulation Plan. The base task, along with both options, are all tasks that are related to improving Lake Superior outflow regulation. However, these tasks are not interdependent. The base, option 1 and option 2, are simply a priority given to these tasks if funding should be available. Task 1: Current operational procedures for the str...

Rapid Response Rural Data Analysis and Issue Specific Rural Research Studies

Open US HRSA-26-050

United States

This notice announces the opportunity to apply for funding under the Rapid Response Rural Data Analysis and Issue Specific Rural Research Studies Program. This program will fund one entity to provide rural stakeholders with timely access to data analysis on pressing rural health issues. The goal of this award is to fund analysis that furthers understanding on emerging factors that affect rural health to improve health care in rural America.

Region 10 Fiscal Year 2025 Wetland Program Development Grants

Open US EPA-REG10-WPDG-25

United States

Wetland Program Development Grants (WPDGs) assist state, Tribal, territory (Insular Areas), local government agencies, and interstate or intertribal entities in developing or refining state, Tribal, territory or local programs that protect, manage and restore wetlands. The goals of the EPA’s wetland program include increasing the quantity and quality of wetlands in the U.S. by conserving and restoring wetland acreage and improving wetland condition. In pursuing these goals, the EPA seeks to develop the capacity of all levels of government to develop and/or refine effective, comprehensive programs for wetland protection and management. This is done using the Core Elements of a Wetlands Program, the Wetlands Program Core Elements Framework and for states and Tribes the development of Wetl...

(FY) 2024-2026 Nationally Significant Federal Lands and Tribal Projects (NSFLTP) Program

Open US DOT-FHW-25-A284-999

United States

Testing funding opportunity and providing approval.

ROSES25: F.19 Collaborative Opportunities for Mentorship, Partnership and Academic Success in Science

Open US NNH25ZDA001N-COMPASS

United States

NOTICE: Amended January 13, 2026. This amendment presents a new program element in ROSES-2025. Notices of Intent are not requested. Proposals are due by March 20, 2026. 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. ...

ERDC Broad Agency Announcement

Open US W912HZ26S0001

United States

The U.S. Army Corps of Engineers (USACE) Engineer Research and Development Center (ERDC) is issuing this announcement for various research and development topic areas. The ERDC consists of the Coastal and Hydraulics Laboratory (CHL), the Geotechnical and Structures Laboratory (GSL), the Environmental Laboratory (EL) and the Information Technology Laboratory (ITL) in Vicksburg, Mississippi, the Cold Regions Research and Engineering Laboratory (CRREL) in Hanover, New Hampshire, the Construction Engineering Research Laboratory (CERL) in Champaign, Illinois, and the Geospatial Research Laboratory (GRL) in Alexandria, Virginia. The ERDC is responsible for conducting research in the broad fields of hydraulics, dredging, coastal engineering, instrumentation, oceanography, remote sensing, geote...

Dworshak Natural Resource Training and Education

Open US W912EF-26-2-A002

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.&nbsp...

Renewable Resource Extension Act National Focus Fund Projects

Open US USDA-NIFA-EME-32358

United States

The goal of RREA-NFF, Assistance Listing 10.515, is to enhance the longevity of U.S. forest and rangeland resources and enable landowners and managers to achieve their desired goals and objectives by making relevant scientific results available.

F27AS00007 FY 2027 National Coastal Wetlands Conservation Grant Program Notice of Funding Opportunity

Open US F27AS00007

United States

The National Coastal Wetlands Conservation Grant Program supports the long‐term conservation of coastal wetland ecosystems for the benefit of coastal communities, fish and wildlife and their habitats, and the recreating public. The Program provides designated State and Territory agencies with cost sharing awards for projects that protect and restore valuable coastal wetland resources. Projects may include the acquisition of real property interests in a coastal wetland ecosystem and the restoration, enhancement, or management of coastal wetlands.Coastal wetlands are valued because they protect against flooding, help maintain water quality, and provide habitats for fish and wildlife. Coastal environments are also important economically, generating billions of dollars annually through recr...

Farmer to Farmer 2025

Open US EPA-I-R4-GAD-2025-FARMER

United States

The Gulf of America Division (“GAD”), located in U.S. Environmental Protection Agency (“EPA”) Region 4, is part of the EPA Great Water Body program that collaborates to protect, maintain, and restore the health and productivity of the Gulf of America consistent with the economic well-being of the region. EPA’s actions are designed to support improved water quality; to enhance, restore and/or protect natural habitats; and to improve the region’s ability to withstand storm events. This notice announces the availability of funds and solicits applications to improve water quality and/or habitat through collaboration with America’s farmers. Applications must align with the Administration’s "Powering the Great American Comeback" initiative and align with EPA statutory authorities. Activities ...

Tribal Energy Development Capacity (TEDC) Grant FY 2026

Open US BIA-TEDC-2026

United States

The Secretary of the Interior ("Secretary"), through the Division of Energy and Mineral Development (DEMD), Office of Trust Services, Bureau of Indian Affairs (BIA), is soliciting grant proposals from Federally recognized Tribal entities for the Tribal Energy Development Capacity (TEDC) grant. The TEDC grant seeks to build Tribal management, organizational and technical capacity needed to maximize the economic impact of energy resource development on Indian land. Grants may fund development of organizational and business structures for energy development, as well as legal and regulatory infrastructure. Certified Local Governments are encouraged to prioritize projects in support of the celebration of America's 250th birthday (America250). This may include, but is not limited to, preserva...

FY2026 Water Resources Research Act Non-Competitive Coordination

Open US G26AS00110

United States

Water Resource Research Act (WRRA) coordination award to support efforts toward water resources research.

Single Source for Continuation of the Integrated Islet Distribution Program U24 (Clinical Trial Not Allowed)

Open US RFA-DK-27-147

United States

This is a NOFO for a Single Source competition that will invite application(s) from eligible organization(s) to apply. Please see Eligibility Section for additional information. In accordance with NIH standard peer-review processes, the application(s) will be peer-reviewed, and only meritorious application(s) will be considered for funding.The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) is announcing its intent to issue a single source cooperative agreement award to Beckman Research Institute/City of Hope for the currently funded Integrated Islet Distribution Program (IIDP) to renew the program and maintain support for its continuing mission to provide the scientific community with important islet resources for diabetes research. The IIDP facilitates the dis...

ROSES25: F.17 Research Initiation Awards

Open US NNH25ZDA001N-RIA

United States

NOTICE: Amended May 20, 2026. This amendment releases final text for this program element, which was previously TBD. Neither an NOI nor Step-1 proposal is requested. The due date for proposals is August 18, 2026. An informational webinar about this opportunity will occur at 1 p.m. Eastern Time on June 16. Register for the webinar at https://nasaevents.webex.com/weblink/register/r2fbc7ed95634bfe1170fd634303f5b1c. The total award value for two years is capped at $300,000. However, a budget narrative and table of work effort will be required. The Science/Technical/Management section of proposals is limited to six pages. This program will evaluate proposals using dual-anonymous peer review. See Section 4 and the associated "Guidelines for Proposers to ROSES DAPR Programs" documen...

Conservation Innovation Grants (CIG) On-Farm Conservation Innovation Trials for fiscal year (FY) 2026

Open US USDA-NRCS-NHQ-CIGOFT-26-NOFO0001447

United States

NRCS is announcing the availability of CIG On-Farm Conservation Innovation Trials (On-Farm Trials). Through On Farm Trials projects, awardees recruit producers and provide them with technical assistance and incentive payments to stimulate the adoption and evaluation of innovative conservation approaches. For 2026, applications will be accepted from eligible entities for projects addressing at least one of the following priorities: irrigation management technologies, new and innovative grazing land management solutions, nutrient management, and soil health demonstration trial (SHD). Up to $50 million is available for On-Farm Trials in 2026. On-Farm Trials projects may be between 3 and 5 years in duration. Application deadline: Submit through Grants.gov by 11:59 pm Eastern Time on Ju...

OIA Coral Reef Initiative and Natural Resources (CRNR) Program 2026

Open US OIA-CRNR-2026

United States

The Office of Insular Affairs (OIA) invites proposals for its Coral Reef & Natural Resources (CRNR) Initiative. This grant program seeks to protect coral reefs and other natural resources in insular areas, benefiting communities by supporting food security, protecting shorelines, supporting the economy, and restoring native species. Funding also aids in combating invasive species through risk management, prevention, rapid response, and eradication efforts.

FY 2026 Competitive Funding Opportunity: Ferry Service for Rural Communities Program

Open US FTA-2026-006-TPM-FERRYRURAL

United States

The Federal Transit Administration (FTA) announces the opportunity to apply for $454 million in competitive grants for the Ferry Service for Rural Communities Program. Eligible activities include capital projects to purchase, construct, replace, or rehabilitate ferries, terminals, related infrastructure and related equipment (including electric or low-emitting ferry vessels and related infrastructure), planning projects, and operating assistance.

Wildfire Smoke Preparedness in Community Buildings

Open US EPA-OAR-ORIA-25-03

United States

This program provides grants to states, federally recognized Tribes, public pre-schools, local educational agencies, and non-profit organizations for the assessment, prevention, control, or abatement of wildfire smoke hazards in community buildings and related activities. These grants are intended to support activities that will reduce indoor exposure to pollutants in wildfire smoke and, in turn, reduce the public health burden of wildfire smoke exposure. This notice announces the availability of funds and solicits applications from eligible entities to improve public health protection against smoke from wildfires by enhancing preparedness in community buildings. The EPA is soliciting applications for projects that support smoke readiness planning, outreach and training for smoke r...

Region 06 Fiscal Year 2025 Wetland Program Development Grants

Open US EPA-REG06-WPDG-25

United States

Wetland Program Development Grants (WPDGs) assist state, Tribal, territory (Insular Areas), local government agencies, and interstate or intertribal entities in developing or refining state, Tribal, territory or local programs that protect, manage and restore wetlands. The goals of the EPA’s wetland program include increasing the quantity and quality of wetlands in the U.S. by conserving and restoring wetland acreage and improving wetland condition. In pursuing these goals, the EPA seeks to develop the capacity of all levels of government to develop and/or refine effective, comprehensive programs for wetland protection and management. This is done using the Core Elements of a Wetlands Program, the Wetlands Program Core Elements Framework and for states and Tribes the development of Wetl...

Micro-Grants for Food Security Program

Open US USDA-AMS-TM-MGFSP-G-26-0009

United States

MGFSP assists agricultural agencies or departments in eligible states and territories to increase the quantity and quality of locally grown food in food insecure communities through small-scale gardening, herding, and livestock operations by competitively distributing subawards to eligible entities.USDA promotes climate-resilient landscapes and rural economic systems, including tools to support agriculture, forests, grazing lands, and rural communities. AMS encourages applicants to consider including goals and activities related to reducing and stabilizing the levels of heat-trapping greenhouse gases in the atmosphere or adapting to the already occurring climate change in their project"s design and implementation.

2026 Community Wood Energy and Wood Innovation Program

Open US USDA-FS-COMMUNITY-WOOD-2026

United States

The USDA Forest Service is delivering the Community Wood Energy and Wood Innovation Program (Community Wood) to support the Rural Revitalization Technologies 7 U.S.C. Sec. 8113 and Agriculture Improvement Act of 2018 Pub. L. 115-334 Sec. 9013, and Infrastructure Investment and Jobs Act (Bipartisan Infrastructure Law) Pub. L. 117-58 Div. J Title VI which directly support the installation of thermally led community wood energy systems or development and expansion of innovative wood product facilities. The intent of the Community Wood is to support forest health and stimulate local economies by expanding renewable wood energy use and innovative wood products manufacturing capacity. The Forest Service solicits proposals for projects that will achieve the following: Expand thermally le...

CHEERS Open Period 1 - All Technical Areas

Open US FA238424S2334

United States

The Air Force Research Laboratory, Human Effectiveness Directorate (RH) and the United States Air Force School of Aerospace Medicine (USAFSAM), is soliciting white papers (and potentially later technical and cost proposals) on the research located in the Statements of Objectives attached to the Continuing Human Enabling, Enhancing, Restoring and Sustaining (CHEERS) Multiple Authority Announcement (MAA) Opportunity FA2384-24-S-2233.List of Attachments:1. "Open Period Solicitation 1_BAA Amend 01"2. "Attachment 1 - List of Provisions and Clauses (BAA)"Related Notice: Multiple Authority Announcement (MAA) FA238424S2233, "Continuing Human Enabling, Enhancing, Restoring and Sustaining (CHEERS)"Note: You MUST refer to the related notice identified above in order to obtain all additional attach...

ROSES 2025: B.4 Space Weather Science Application Research-to-Operations-to-Research

Open US NNH25ZDA001N-R2O2R

United States

The close date above is the date for the Step-2 proposal due date. The Step-1 proposal due date is 08/26/2025. Step-2 proposals cannot be submitted if a Step-1 proposal was not submitted. NOTICE: Amended December 8, 2025. The Step-2 Due Date for this program, B.4 Space Weather Research-to-Operations-to-Research has been delayed to April 10, 2026. This program uses a two-step submission process in which only those who previously submitted a Step-1 proposal and were invited to continue can submit a Step-2 proposal now. 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 P...

F25AS00379 Highlands Conservation Act - Base Funding Round

Open US F25AS00379

United States

The Highlands Conservation Act Program (HCA) is administered by the US Fish and Wildlife Service (Service) to assist Connecticut, New Jersey, New York, and Pennsylvania in the protection of land and natural resources in the Highlands Region. HCA grants support land conservation projects in which a State, County, or Municipal entity acquires land or an interest in land from a willing seller to conserve resources of high conservation value.Governors of the four Highlands States may submit proposals for up to 50% of the total cost of land conservation projects in the Highlands Region.Funding appropriated under the HCA is typically divided into two separate categories – Base and Competitive. Eligible applicants may submit requests for the Base Funding Round in response to this Notice of Fun...

FY 2026 Implementation of the U.S. Integrated Ocean Observing System (IOOS)

Open US NOAA-NOS-IOOS-2025-30552

United States

The National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS) U.S. Integrated Ocean Observing System (IOOS) Office is requesting proposals for 5-year awards supporting coordinated regional efforts that advance the Nation’s understanding and decision-making of its coastal ocean and Great Lakes through integrated observations, data provision and management, modeling, and engagement. The U.S. IOOS is a national and regional partnership working to produce, integrate, and communicate high quality ocean, coastal, and Great Lakes data that meets the safety, economic, and stewardship needs of the nation. Information regarding this Announcement, including additional background information, is available on the U.S. IOOS website (https://ioos.noaa.gov/about/funding-opport...

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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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