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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.

510 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 3 days) S-34000-00017962
United States, Illinois 30 Oct 2026 (Closes in 31 days) 26-532EPA-DIROF-B-52393
United States, Massachusetts 21 Oct 2026 (Closes in 22 days) BD-27-1045-BWR00-BWR01-133675
United States, Oregon 3 Nov 2026 (Closes in 35 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 9 days) BD-27-1045-BWR00-BWR01-133228
United States, Ohio 9 Oct 2026 (Closes in 10 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 7 days) BD-23-1302-NAT01-CPO-133190
United States, Massachusetts 21 Dec 2026 (Closes in 83 days) BD-27-1045-BWR00-BWR01-133107
United States, Texas 9 Oct 2026 (Closes in 10 days) dallascityhall-BU26-00030999
United States, Massachusetts 30 Jun 2027 (Closes in 274 days) BD-25-1041-ENE01-ENE01-109288
United States, Massachusetts 30 Jun 2027 (Closes in 274 days) BD-25-1041-ENE01-ENE01-110104
United States, Massachusetts 30 Jun 2027 (Closes in 275 days) BD-25-1041-ENE01-ENE01-109842
United States, Massachusetts 1 Oct 2026 (Closes in 2 days) BD-26-1080-OSD03-OSD03-125640
United States, Massachusetts 23 Oct 2028 (Closes in 755 days) BD-26-1045-BPE00-BPE01-129113
United States, Massachusetts 7 Oct 2026 (Closes in 8 days) BD-27-1045-BWR00-BWR01-132526
United States, Massachusetts 28 Oct 2026 (Closes in 29 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 34 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 Disadvantaged Communities; Employment, Labor & Training; Environment & Water; Parks & Recreation; Sc US

Wildfire and Forest Resilience [Section 91520(l)]: may be awarded for projects that promote watershed improvement, wildfire resilience, chaparral and forest restoration, and workforce development that addresses needs related to this subdivision and is designed to create career pathways for individuals from disadvantaged communities, severely disadvantaged communities, or vulnerable populations The RMC awards grants and interagency agreements with the aim toward creating open space, habitat restoration, expanding green space in disadvantaged communities, and protecting the watersheds of the San Gabriel and Los Angeles Rivers, Dominguez Channel, and Catalina Island. The overall policy guidelines for the RMC are found in two primary references: the statute which created the RMC, Public Res...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US BHUWC - CGP 2025

The BH UWC Consolidated Grant Program streamlines administration of State funds, aligning with the Cutting Green Tape initiative. Centered on Embedding Equity, it funds high-impact projects that advance conservation, climate resilience, and Access for All through Planning, Implementation, Acquisition, and Stewardship & Community Access Grants that deliver equitable, measurable benefits statewide. The Consolidated Grant Program guidelines prioritizes project which directly and meaningfully benefit Disadvantaged Communities and Vulnerable Populations. BH UWC Community and Climate Resilience Framework is integral to effective and equitable grant making is the strategic funding of projects & programs that deliver tangible and/or measurable benefits to a population, in direct response to a d...

Open Environment & Water; Parks & Recreation US
United States

The Conservancy's Proposition 4 program aims to support watershed improvement, forest health biomass utilization, chaparral and forest restoration, and workforce development, and to reduce the risks of climate change impacts upon communities, fish and wildlife, and natural resources, and to increase public access. The California Tahoe Conservancy (Conservancy) leads California's efforts to restore and enhance the extraordinary natural and recreational resources of the Lake Tahoe Basin (Basin). The Conservancy uses available funding to accomplish its mission and Strategic Plan through grants for land acquisition, planning, implementation, and monitoring on the California side of the Basin. California voters approved Proposition 4 (the Climate Bond), the Safe Drinking Water, Wildfire Prev...

Open Disaster Prevention & Relief; Housing, Community and Economic Development US

The 2025 Multifamily Finance Super NOFA - Los Angeles Disaster makes funds more accessible to developers enables the funding to further serve the lowest income Californians and increases the range of potential applicants and target populations to achieve better outcomes in health, climate, and household stability. The 2025 Multifamily Finance Super NOFA - Los Angeles Disaster (MFSN-LA Disaster NOFA) provides funding for Los Angeles disaster The California Department of Housing and Community Development (Department or HCD) is pleased to announce the release of this Multifamily Finance Super Notice of Funding Availability for approximately $101 million in funds, which may be augmented based on availability of funds. This NOFA is issued to distribute funds through a combination of HCD-admi...

Projects which facilitate the protection and restoration of wildlife, habitat and historical/archaeological resources, including habitat restoration projects in urban rural areas. This program supports The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 is codified as Division 45 (commencing with section 80000) and sections 5096.611 and 75089.5 of the public resources code and section 79772.5 of the water code. Prop 68 authorizes $4 billion in general obligation to finance a drought, water, parks, climate, coastal protection and outdoor access for all program. The Santa Monica Mountains conservancy's ("Conservancy") Proposition 68 Grant Program Guidelines ("Guidelines") Specifically pertain to grants funded by proposition 68 and admin...

Projects which facilitate the protection and restoration of wildlife, habitat and historical/archaeological resources, including habitat restoration projects in urban rural areas. This program supports The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 is codified as Division 45 (commencing with section 80000) and sections 5096.611 and 75089.5 of the public resources code and section 79772.5 of the water code. Prop 68 authorizes $4 billion in general obligation to finance a drought, water, parks, climate, coastal protection and outdoor access for all program. The Santa Monica Mountains conservancy's ("Conservancy") Proposition 68 Grant Program Guidelines ("Guidelines") Specifically pertain to grants funded by proposition 68 and admin...

Projects which facilitate the protection and restoration of wildlife, habitat and historical/archaeological resources, including habitat restoration projects in urban rural areas. This program supports The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 is codified as Division 45 (commencing with section 80000) and sections 5096.611 and 75089.5 of the public resources code and section 79772.5 of the water code. Prop 68 authorizes $4 billion in general obligation to finance a drought, water, parks, climate, coastal protection and outdoor access for all program. The Santa Monica Mountains conservancy's ("Conservancy") Proposition 68 Grant Program Guidelines ("Guidelines") Specifically pertain to grants funded by proposition 68 and admin...

Open Environment & Water US

To protect biodiversity or nature, restore landscape health, or achieve California’s climate goals. Climate projects are covered under Chapter 6 of Proposition 4 and must satisfy Section 93000, while also addressing at least one priority from Section 93020. Eligible projects protect biodiversity or nature, restore landscape health, or achieve California’s climate goals. To qualify, each project must also reduce climate change risks to communities, fish and wildlife, or natural resources, or increase public access to nature. Proposition 4 – Nature Based

This program supports Santa Monica Mountains Conservancy’s (“Conservancy”) Proposition 1 Competitive Grant Program specifically pertain to competitive grants for multi benefit ecosystem and watershed protection and restoration projects pursuant to Water Code Section 79731(h), and for projects to protect and enhance an urban creek pursuant to Water Code Section 79735(a). The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) iscodified as Division 26.7 of the Water Code. Proposition 1 authorizes $7.545 billion in generalobligation bonds for state water projects, including surface and groundwater storage,ecosystem and watershed protection and restoration, and drinking water protection. TheSanta Monica Mountains Conservancy’s (“Conservancy”) Proposition 1 Com...

The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 (Proposition 68) SMMC Grant Program. This program supports The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 is codified as Division 45 (commencing with section 80000) and sections 5096.611 and 75089.5 of the public resources code and section 79772.5 of the water code. Prop 68 authorizes $4 billion in general obligation to finance a drought, water, parks, climate, coastal protection and outdoor access for all program. The Santa Monica Mountains conservancy's ("Conservancy") Proposition 68 Grant Program Guidelines ("Guidelines") Specifically pertain to grants funded by proposition 68 and administered by the Conservancy. Prop 68 Ri...

Projects which facilitate the protection and restoration of wildlife, habitat and historical/archaeological resources, including habitat restoration projects in urban rural areas. This program supports The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 is codified as Division 45 (commencing with section 80000) and sections 5096.611 and 75089.5 of the public resources code and section 79772.5 of the water code. Prop 68 authorizes $4 billion in general obligation to finance a drought, water, parks, climate, coastal protection and outdoor access for all program. The Santa Monica Mountains conservancy's ("Conservancy") Proposition 68 Grant Program Guidelines ("Guidelines") Specifically pertain to grants funded by proposition 68 and admin...

Open Environment & Water US

To protect or restore rivers, wetlands, streams, lakes, or watersheds; improve the resilience of fish and wildlife; or enhance climate resilience, water supply, or water quality. This program supports Water-related projects must align with Chapter 2 of Proposition 4, supporting Safe Drinking Water, Drought, Flood, and Water Resilience. All projects must comply with Section 91032 and must include at least one specific purpose outlined in Section 91032(b). Eligible efforts protect or restore rivers, wetlands, streams, lakes, or watersheds; improve the resilience of fish and wildlife; or enhance climate resilience, water supply, or water quality. Projects must also support at least one regional priority: improving the climate resiliency or protection of the Los Angeles River Watershed, or ...

Open Environment & Water US

To improve local fire prevention capacity, enhance forest health and resilience, or reduce the risk of wildfire spreading from wildlands into populated areas. Projects funded under the Fire category must fall within Chapter 3 of Proposition 4, focused on Wildfire and Forest Resilience. To qualify, projects must meet Section 91520, and include at least one purpose listed in Section 91520(j). Eligible activities may improve local fire prevention capacity, enhance forest health and resilience, or reduce the risk of wildfire spreading from wildlands into populated areas. In addition, each project must address at least one of the following: watershed improvement, wildfire resilience, chaparral or forest restoration, or workforce development. Proposition 4 Wildfire

Projects which facilitate the protection and restoration of wildlife, habitat and historical/archaeological resources, including habitat restoration projects in urban rural areas. This program Supports The California Drought, Water, Parks, Climate, Coastal Protection and Outdoor Access for All Act of 2018 is codified as Division 45 (commencing with section 80000) and sections 5096.611 and 75089.5 of the public resources code and section 79772.5 of the water code. Prop 68 authorizes $4 billion in general obligation to finance a drought, water, parks, climate, coastal protection and outdoor access for all program. The Santa Monica Mountains conservancy's ("Conservancy") Proposition 68 Grant Program Guidelines ("Guidelines") Specifically pertain to grants funded by proposition 68 and admin...

United States

The Kindergarten through Twelfth Grade Energy Efficiency Program’s (KTEP) goal is to provide zero-interest loans to Kindergarten through Twelfth Grade (K-12) schools in California for energy efficiency retrofits and renewable energy projects. Funds in this Program Opportunity Notice (PON) are made available by the Infrastructure Investment and Jobs Act (IIJA), also referred to as the Bipartisan Infrastructure Law (BIL), Pub. L. No. 117-58, enacted on November 15, 2021[1]. Section 40502 of BIL states the purpose of this provision is to establish revolving loan funds (RLF) under which states can provide loans and grants for energy upgrades and retrofits to increase the energy efficiency, physical comfort, and air quality of existing building infrastructure. Loan funds for this program are...

Open Environment & Water US

The WCB acquires real property or rights in real property on behalf of the California Department of Fish and Wildlife (CDFW) and can also grant funds to other governmental entities or nonprofit organizations to acquire real property or rights in real property. All acquisitions are made on a "willing seller" basis pursuant to a fair market value appraisal as approved by the Department of General Services (DGS). The acquisition activities are carried out in conjunction with the CDFW, which generally entails CDFW evaluating the biological values of property through development of a Full WCB Real Property Acquisition Application. Once these evaluations are completed, they are submitted to CDFW’s Director for review and approval and then sent to the WCB with a recommendation to fund. Typical...

Open Education; Environment & Water; Parks & Recreation US

The Grants and Cooperative Agreements (GCA) Program provides for well managed Off-Highway Vehicle (OHV) Recreation by providing financial assistance to eligible agencies and organizations that develop, maintain, operate, expand, support, or contribute to well managed, high-quality, OHV Recreation areas, roads, and trails, and to responsibly maintain the wildlife, soils, and habitat in a manner that will sustain long-term OHV Recreation. The GCA Program supports the planning, acquisition, development, maintenance, administration, operation, enforcement, restoration, and conservation of trails, trailheads, areas, and other facilities associated with the use of Off-Highway Motor Vehicles, and programs involving Off-Highway Motor Vehicle safety and/or education.

Open Environment & Water US

The Stream Flow Enhancement Program (SFEP) funds projects that enhance stream flows across the state of California. The SFEP defines enhanced streamflow to mean: a change in the amount, timing, and/or quality of water flowing down a stream, or a portion of a stream, to benefit fish and wildlife. The following are funding priorities for the stream flow enhancement projects:• Implementation projects resulting in measurable increases in stream flow• Acquisition projects resulting in permanent or long-term in-stream flow dedications• Projects that are focused on a watershed or regional approach• Projects in critical watersheds for salmonids• Projects that help to complete previously funded projects• Projects that evaluate stream flow conditions and stream responses to other stream flow enha...

Open Environment & Water US

The California Riparian Habitat Conservation Program (Program) is accepting concept proposals for projects that provide meaningful and sustainable improvements to riparian habitats. The goal of the CRHCP is to protect, preserve, and restore riparian habitats throughout California. Typical riparian projects include, but are not limited to: Restoration of riparian vegetation and re-establishing floodplain connectivity. Active or passive restoration that may include an element of invasive plant removal and control. Installation of fencing along the riparian corridor to manage livestock or wildlife and reduce impacts to streams or riparian vegetation. Reconfigure degraded, incised, or undefined streams to restore natural hydrology and encourage reestablishment of native riparian habitat.

Open Disadvantaged Communities; Parks & Recreation US

Wildlife Conservation Board’s Public Access Program’s projects should focus on creating meaningful outdoor experiences for all Californians. Projects should provide public benefits, leverage funding to produce the greatest benefit, and provide access to natural and wild areas. Access to nature is critical to human health and wellbeing, yet outdoor access and its many benefits are not equitably distributed or equally welcoming to all communities. WCB supports California’s Outdoors for All Initiative by funding Planning and Construction projects that support wildlife-oriented recreation and nature-focused education throughout the state. Planning grants are intended to support the development of projects that are likely to qualify for future implementation funding under this program. Imple...

Open Environment & Water US

The Monarch Butterfly and Pollinator Rescue Program was created by Assembly Bill 2421, and signed into law in 2018 becoming effective immediately. The Program was created for the purpose of recovering and sustaining populations of monarch butterflies and other pollinators. Eligible activities under this program include: Provide grants for the restoration or enhancement of California prairie and other appropriate breeding habitat for monarch butterflies and pollinators on private and public lands. Provide grants for the restoration or enhancement of overwintering monarch butterfly habitat on private and public lands. Provide technical assistance to grant recipients, including farmers and ranchers, regarding restoration and enhancement of breeding, overwintering, and other appropriate mon...

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

The Program is seeking proposals for planning or implementation projects that construct, repair, modify, or remove transportation infrastructure or water resources infrastructure improving passage for wildlife or fish. Additional consideration will be given for projects that restore or enhance wildlife mobility or fish passage across barriers whose impacts on migration have been increased by drought conditions. WCB is seeking projects that restore or enhance habitat in wildlife migration corridors or that remove impediments to fish passage. Examples of project types and their priority are identified below. All projectsmust provide for improved fish or wildlife mobility, and further the objectives of Proposition 68. The Program supports the following priorities: Priority 1: -Construction...

Open Environment & Water; Parks & Recreation US

The purpose of the SJRC is to create the San Joaquin River Parkway (Parkway) to preserve and enhance the river’s extraordinary biological diversity, protect its valued cultural and natural resources, and provide educational and recreational opportunities for local communities and visitors. Activities eligible for the Program include: Property acquisition for resources conservation and public access Implementation of habitat enhancement and restoration of public or private lands All projects must be approved by both the San Joaquin River Conservancy Board and the Wildlife Conservation Board to receive a grant award.

Open Environment & Water US

The Forest Conservation Program supports planning, acquisition, and restoration projects throughout California’s forests, consistent with the Board's Strategic Plan. The Program was created on November 7, 2006 with the Safe Drinking Water, Water Quality and Supply, Flood Control, River and Coastal Protection Bond Act of 2006 (Proposition 84). That Act charged the Board to develop a grant program and “…promote the ecological integrity and economic stability of California’s diverse native forests for all their public benefits through forest conservation, preservation, and restoration of productive managed forest lands, forest reserve areas, redwood forests and other forest types, including the conservation of water resources and natural habitat for native fish and wildlife and plants foun...

Open Environment & Water US

The Oak Woodlands Conservation Program offers landowners, conservation organizations, cities and counties, an opportunity to obtain funding for projects designed to conserve and restore California's oak woodlands. While the Program is statewide in nature, it provides opportunities to address oak woodland issues on a regional priority basis. The Program is designed to help local efforts achieve oak woodland protection. More importantly, this Program provides a mechanism to bring ranchers and conservationists together in a manner that allows both to achieve that which is so valued - sustainable ranch and farming operations and healthy oak woodlands.

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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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