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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.

518 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, 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...

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...

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...

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 6 Oct 2026 (Closes in 7 days) BD-27-1042-ENV-ENV01-133439
United States, Massachusetts 8 Oct 2026 (Closes in 9 days) BD-24-1240-TOA01-TOA01-133410
United States, Massachusetts 8 Oct 2026 (Closes in 9 days) BD-27-1321-TORTH-TORTH-133367
United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-27-1045-BWR00-BWR01-133228
United States, Ohio 9 Oct 2026 (Closes in 11 days) cincinnati-oh-275X911178
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 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 50 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

Open Environment & Water US

The Inland Wetlands Conservation Program (IWCP) was created to assist the Central Valley Joint Venture (CVJV) in its mission is to protect, restore, and enhance wetlands and associated habitats. The CVJV, a partnership of twenty two public and private organizations and agencies, has identified through its Implementation Plan, specific goals to increase migratory bird populations. The Inland Wetland Conservation Program (IWCP) jurisdiction matches that of the Central Valley Joint Venture and includes most of the watershed of the Central Valley. The Implementation Plan and the IWCP, however, continue to focus on the Central Valley floor, which extends approximately 400 miles from Red Bluff in the north to Bakersfield in the south and encompasses the following nine basins: Butte, Colusa, S...

Open Environment & Water US

The Program was created to provide a state partner to work cooperatively with local agencies, particularly the County of Sacramento in its role as the manager of the American River Parkway (Parkway) and nonprofit organizations to help fund projects and provide grants to restore, enhance, interpret, protect, and improve public access to the Parkway’s natural, recreational, educational, and cultural resources. The acquisition, restoration, enhancement, and maintenance of fish and wildlife habitat and other natural resources, including resources impacted by wildfire, within and adjacent to the American River Parkway. The improvement and expansion of public access, recreational areas, and recreational facilities, including trails. The enhancement of interpretive and educational facilities r...

Open Disadvantaged Communities; Environment & Water; Science, Technology, and Research & Development US

WCB is seeking high-quality grant proposals for the development of RCIS's. CDFW's RCIS program encourages public agencies to develop regional conservation planning documents using the best available science to identify regional conservation priorities and other actions to help California’s species populations that may be vulnerable or declining by protecting, restoring, creating, and reconnecting their habitats. An Regional Conservation Investment Strategy (RCIS) is a voluntary, non-regulatory document that provides guidance on actions that, if implemented, would result in effective regional conservation. And public agency may propose an RCIS that is developed in consultation with local agencies that have land use authority within the RCIS area. The RCIS Grant Program (Program) supports...

Open Environment & Water US

As a result of efforts undertaken by individuals and entities with a strong interest in protecting the Mojave and Colorado Deserts, Assembly Bill 1183, now known as the California Desert Conservation Act, was approved by Governor Gavin Newsom on September 28, 2021. Passage of the California Desert Conservation Act established the Desert Conservation Program under the administration of the Wildlife Conservation Board. The Desert Conservation Program includes the following actions: Protect, preserve, and restore the natural, cultural, and physical resources of the portions of the Mojave and Colorado Deserts region in California through the acquisition, restoration, and management of lands.Promote the protection and restoration of the biological diversity of the region. Provide for resilie...

Open Environment & Water US

The purpose of this program is to provide assistance for the restoration and enhancement of fish and wildlife resources. Consistent with Fish and Game Code section 1301, this program provides assistance for the restoration and enhancement of fish and wildlife resources. Eligible projects include: native fisheries restoration; restoration of wetlands; restoration of coastal, tidal, or fresh water habitat; other native habitat restoration projects including coastal scrub oak, grasslands, and threatened and endangered species habitats; in-stream restoration projects, including removal of fish passage barriers and other obstructions; and other projects that improve the quality of native habitat throughout the State.

Open Environment & Water US

The Climate Adaptation and Resiliency Program was created by AB109, which amended the Budget Act of 2017 to provide local assistance through the Wildlife Conservation Board for conservation projects focusing on resilience to projected climate impacts. These projects must be consistent with the State’s climate adaptation strategy (Safeguarding California Plan), contribute to the carbon sequestration goals of AB 32, and support WCB’s Strategic Plan. In addition, projects will be consistent with other statewide plans and priorities, including the California Water Action Plan and California State Wildlife Action Plan 2015 Update. Program funding is directed toward projects that: Protect and restore ecosystems on natural and working lands to provide climate change adaptation and resilience f...

Open Energy; Science, Technology, and Research & Development US GFO-21-901
United States

The purpose is to provide cost share funding to applicants that apply for and receive one of the following: An award under an eligible federal Funding Opportunity Announcement (FOA) and meet the requirements of this solicitation, or Follow-on funding from the U.S. DOE to continue research from a previously awarded federal grant that also received from the CEC federal cost share funding under PON-14-308, GFO-18-902, or this GFO. The focus of applicant projects will vary based on the specific federal funding opportunity. Please check the Section II.A., for a list of currently eligible funding opportunities.

Open Agriculture; Animal Services; Environment & Water US

The purpose of the grant is to help mitigate the impact of wolves on livestock producers in California. The Wolf-Livestock Compensation Grant Program has established three primary areas of need and compensation; direct livestock loss from wolf depredation, the use nonlethal deterrent tools, and the compensation for indirect loss or affects from wolves on livestock. The Wolf-Livestock Compensation Grant Program has three “prongs”, or potential grant opportunities, for eligible applicants: direct loss compensation, nonlethal deterrent methods support, and indirect loss compensation. This grant opportunity involves the first prong, direct loss compensation, in which producers can be compensated for direct livestock loss (death, injury) due to confirmed or probable wolf depredation. Wolf de...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 68 TA

Pursuant to Section 8008(b)(1) of Proposition 68, up to 10% of the funds available may be allocated for technical assistance to disadvantaged communities. RMC’s Technical Assistance Program (TAP) supports local communities with application assistance with the goal of facilitating access to the Conservancy’s funding programs. Technical Assistance can be applied to through RMC’s Small and Very Small Grants Programs or requested through RMC staff. RMC’s Technical Assistance Program (TAP) supports local communities with application assistance with the goal of facilitating access to the Conservancy’s funding programs. RMC recognizes barriers to accessing resources, including: •Familiarity with RMC’s grant application process, •Appreciation of the complexity of well-designed parks, open space...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 68 LLAR SDAC

Priorities for RMC LLAR Prop 68: Develop urban recreation projects and habitat protection or restoration projects,Provide workforce development opportunities,Expand access to diverse populations,Secured matching funds RMC’s LLAR Grants are specific to the Lower LA River corridor, considered within 1.5 miles of the main stem or tributary of the Lower LA River. Projects should be consistent with the Lower LA River Revitalization Plan. Lower Los Angeles River: The Lower Los Angeles River program area encompasses 1.5 miles on each side of the river’s lower 19-miles, from the City of Vernon to the City of Long Beach. The Lower Los Angeles River Revitalization Plan (LLARRP) describes opportunities for improving the environment of the Lower Los Angeles River. The plan was developed through a w...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 1 LLAR

Priorities for RMC Prop 1 LLAR (Lower LA River) Grants: 1. Ecosystems and watershed protection and restoration projects, 2. Protect and Enhance the LA River 2. Expand access to diverse populations, 4. High-need project implementation RMC’s LLAR Grants are specific to the Lower LA River corridor, considered within 1.5 miles of the main stem or tributary of the Lower LA River. Projects should be consistent with the Lower LA River Revitalization Plan. Proposition 1 allocation to the RMC is pursuant to Chapter 6 Protecting Rivers, Lakes, Streams, Coastal Waters and Watersheds and sets forth thirteen specific purposes and all grant funds must achieve at least four or more of the following objectives in order to receive funds: 1. Protect and increase the economic benefits arising from healthy...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 68 Regionwide

Create, expand, and/or improve public open space in the RMC's territory by improving water quality supply, create, enhance or improve a reliable water supply and/or restore an important species and habitat. RMC Proposition 68 Project Goals and Objectives: Create, expand, and/or improve public open space throughout the region by improving water quality supply, create, enhance or improve a reliable water supply and/or restore an important species and habitat Improve access to open space and low impact recreation for all communities and promote healthy lifestyles Improve habitat quality, quantity, and connectivity through creation, enhancement, preservation, and restoration Connect open space with a network of trails, accessible as appropriate to the site Promote stewardship of the landsca...

Open Disadvantaged Communities; Disaster Prevention & Relief; Environment & Water; Parks & Recreation US Wildfire Prevention Grant Program

Priorities for RMC Wildfire Prevention Grant Program: 1. Protect and expand native forests/wildlands; 2. Support communities in increasing their resilience to wildfire and improving fire safety; 3. Promote sustainable land use; 4. Promote investment in wildlands management and workforce development; 5. Protect cultural resources vulnerable to wildfire. Funding for projects will fall under three main categories: San Gabriel Mountains and Foothills Fire Prevention Planning and Management: Projects under this category will serve mainly the San Gabriel Mountains and Foothills. Work may include invasive species management and fuel break maintenance in the Angeles National Forest, fuel modification of open spaces in foothill communities, or protection of tribal cultural resources from fire im...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 1 Regionwide

Priorities for RMC Prop 1 Grants: 1. Ecosystems and watershed protection and restoration projects 2. Expand access to diverse populations 3. High-need project implementation Proposition 1 allocation to the RMC is pursuant to Chapter 6 Protecting Rivers, Lakes, Streams, Coastal Waters and Watersheds and sets forth thirteen specific purposes and all grant funds must achieve at least four or more of the following objectives in order to receive funds: 1. Protect and increase the economic benefits arising from healthy watersheds, fishery resources and instream flow. 2. Implement watershed adaptation projects in order to reduce the impacts of climate change on communities and ecosystems. 3. Restore river parkways throughout the state, including but not limited to projects pursuant to the Cali...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US LLAR GF

Priorities for RMC Lower LA River Grants: 1. Ecosystems and watershed protection and restoration projects 2. Expand access to diverse populations 3. High-need project implementation 4. Implementation of projects congruent with the Lower LA River Revitalization Plan In certain years, the annual state budget has allocated General Funds directly to the RMC. These funds have been incorporated into the Non-Bond Priority Grant Program. The major funding priorities are described below. Lower LA River: The Lower Los Angeles River program area encompasses 1.5 miles on each side of the river’s lower 19-miles , from the City of Vernon to the City of Long Beach. The Lower Los Angeles River Revitalization Plan(LLARRP) describes opportunities for improving the environment of the Lower Los Angeles Riv...

Open Agriculture; Environment & Water; Science, Technology, and Research & Development US

CDFW seeks high quality grant proposals that facilitate environmental sustainability of legal cannabis cultivation and addresses environmental impacts related to cannabis cultivation. Grants are provided through the Environmental Restoration and Protection Account pursuant to Revenue and Taxation Code section 34019(f)(2)(A). The California Department of Fish and Wildlife (CDFW) Cannabis Restoration Grant Program (CRGP) is seeking Research and Innovation proposals from eligible applicants to evaluate environmental conditions and impacts relative to cannabis cultivation; produce resources for ecological and environmentally sound cultivation practices; facilitate environmental sustainability of legal cannabis cultivation; and overall, address environmental impacts related to cannabis culti...

Open Environment & Water; Science, Technology, and Research & Development US Department of Fish and Wildlife

The purpose is to ensure funds generated by the sales of upland game bird hunting validations and stamps are used in programs and projects to benefit upland game bird species and their constituents. CDFW may make grants to, reimburse, or enter into contracts or other agreements, as defined in subdivision (a) of Section 1571, with public and private entities, including universities, nonprofit organizations, and California Native American tribes, as defined in Section 21073 of the Public Resources Code, for the use of the funds from the Upland Game Bird Account to carry out the purposes of Fish and Game Code §3684, including related habitat conservation projects. Any proposal fitting the criteria in this statue is qualified to be funded.

To accomplish services sought by the Department of Defense (DoD) to provide expedited review and other related services to execute the Defense Environmental Restoration Program (DERP) at identified DoD installations. To provide regulatory oversight activities and services to implement its responsibilities during the environmental investigation and cleanup activities associated with the facilitation of environmentally sound reuse of military bases in California.

Open Disadvantaged Communities; Disaster Prevention & Relief; Environment & Water US
United States $200,000 - $1,500,000

Track 1 of the SB 1 SLR Adaptation Grant Program supports jurisdiction-wide and regional sea level rise planning across California’s coast and San Francisco Bay. Projects advance consistent, comprehensive SLR Adaptation Plans, apply statewide criteria, incorporate equitable community-informed planning, and prepare jurisdictions for future adaptation implementation and funding. Track 1 of the SB 1 Sea Level Rise Adaptation Grant Program supports sea level rise (SLR) adaptation planning for jurisdictions at all stages of the planning process. Funding may support activities that contribute to or culminate in development of an SLR Adaptation Plan. To reflect the different planning frameworks across California’s coast and San Francisco Bay, eligible projects are organized into three categori...

Open Disadvantaged Communities; Education; Environment & Water; Parks & Recreation US Prop 68 LLAR

Priorities for RMC Prop 68 Grant Funding: 1. Develop urban recreation projects and habitat protection or restoration projects 2. Provide workforce development opportunities 3. Expand access to diverse populations RMC’s LLAR Grants are specific to the Lower LA River corridor, considered within 1.5 miles of the main stem or tributary of the Lower LA River. Projects should be consistent with the Lower LA River Revitalization Plan. Lower Los Angeles River: The Lower Los Angeles River program area encompasses 1.5 miles on each side of the river’s lower 19-miles, from the City of Vernon to the City of Long Beach. The Lower Los Angeles River Revitalization Plan (LLARRP) describes opportunities for improving the environment of the Lower Los Angeles River. The plan was developed through a waters...

United States $1 - $300,000

The purpose of the funding is to provide technical and financial assistance to local agencies for the planning of water recycling projects that promote the beneficial use of treated municipal wastewater in order to augment fresh water supplies in California. Eligible Applicants: Local public agencies Eligible Uses: Eligible projects include recycled water treatment; recycled water storage, distribution, and pumping; groundwater recharge; and indirect potable reuse. Ineligible Uses: Operation and maintenance costs. Eligible Costs: All costs necessary to determine the feasibility of using recycled water and to select an alternative to offset or augment the use of fresh/potable water from state or local supplies may be eligible for the planning grant. Eligible Communities: All community ty...

Open Environment & Water US

The purpose of the funding is to provide technical and financial assistance to local agencies for the construction of water recycling projects that promote the beneficial use of treated municipal wastewater in order to augment fresh water supplies in California. Eligible Applicants: Local public agencies, 501(c)(3) nonprofit organizations qualified to do business in California, Public Utilities, Federally and non-federally recognized Native American tribes on the Native American Heritage Commission’s list, and Mutual water companies. Eligible Uses: Eligible projects include recycled water treatment; recycled water storage, distribution, and pumping; groundwater recharge; indirect potable reuse; and surface water augmentation. Ineligible Uses: Operation and maintenance costs. Eligible Co...

Open Environment & Water US

The purpose of the funding is to provide technical and financial assistance to local agencies for the construction of water recycling projects that promote the beneficial use of treated municipal wastewater in order to augment fresh water supplies in California. Eligible Applicants: Local public agencies, 501(c)(3) nonprofit organizations qualified to do business in California, Public Utilities, Federally and non-federally recognized Native American tribes on the Native American Heritage Commission’s list, and Mutual water companies. Eligible Uses: Eligible projects include recycled water treatment; recycled water storage, distribution, and pumping; groundwater recharge; indirect potable reuse; and surface water augmentation. Ineligible Uses: Operation and maintenance costs. Eligible Co...

Open Energy; Environment & Water US GFO-22-903
United States

The purpose of this solicitation is to provide cost share funding for eligible projects (see Section II.C. of GFO-22-903) to applicants that apply for and receive an award under an eligible federal Funding Opportunity Announcement (FOA). Before applying, applicants are encouraged to check Eligibility Requirements in Section II. of this solicitation. As new eligible cost share opportunities are released, the CEC will revise this document with corresponding information on how to apply for cost share for that funding opportunity. Information on currently eligible funding opportunities can be found in the Eligible Federal Funding Opportunities section of the Eligibility Requirements (Section II.A.). The CEC will provide cost share only to applicants that are applying for a FOA or follow-on ...

United States $500,000 - $5,000,000

An award under an eligible federal Funding Opportunity Announcement (FOA) for a project that meets the requirements of this solicitation, or Subsequent funding from the U.S. Department of Energy to continue research from a previously awarded federal grant that also received Energy Commission federal cost share funding under GFO-21-901 or this GFO (GFO-22-902) for a proposed project that meets the requirements of this solicitation. Industrial Decarbonization and Improvements to Grid Operations Program (INDIGO) This program was created under Assembly Bill (AB) 209 (The Energy and Climate Change budget bill, Chapter 251, Section 12, Chapter 7.6, Article 2, enacted in September 2022).[1] The purpose is to implement projects at industrial facilities that can provide significant benefits to t...

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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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