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

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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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A weekly digest of only environment & sustainability tenders and grants for where you do business.

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 30 days) S-34000-00017370

Printer Repair and Maintenance for the Vehicle Inspection Program

TENDER Open

United States, Oregon 2 Oct 2026 (Closes in 3 days) S-34000-00017962

Clean Fleet and Freight Concierge Services Northern Region

TENDER Open

United States, Illinois 30 Oct 2026 (Closes in 31 days) 26-532EPA-DIROF-B-52393

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

TENDER Open

United States, Massachusetts 21 Oct 2026 (Closes in 22 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 35 days) S-C01010-00018023

Independent Medical Examination (IME) RFR

TENDER Open

United States, Massachusetts 6 Oct 2026 (Closes in 7 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 9 days) BD-24-1240-TOA01-TOA01-133410

Royalston Solar Landfill RFP

RFP Open

United States, Massachusetts 8 Oct 2026 (Closes in 9 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 9 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 10 days) cincinnati-oh-275X911178

Environment and Climate One - FY28 CALL FOR EXPRESSIONS OF INTERESTStop

TENDER Open

United States, Massachusetts 16 Oct 2026 (Closes in 17 days) BD-27-1042-ENV-ENV01-133166

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 7 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 83 days) BD-27-1045-BWR00-BWR01-133107

Residential Recycling Public Education Campaign

TENDER Open

United States, Texas 9 Oct 2026 (Closes in 10 days) dallascityhall-BU26-00030999

LBE Restoration Grant Program for Solar and Decarbonized Systems (PON-ENE-2025-007)

TENDER Open

United States, Massachusetts 30 Jun 2027 (Closes in 274 days) BD-25-1041-ENE01-ENE01-109288

DOER PON-ENE-2025-014 Climate Leader Communities Decarbonization Technical Support Grant Program

TENDER Open

United States, Massachusetts 30 Jun 2027 (Closes in 274 days) BD-25-1041-ENE01-ENE01-110104

LBE Equipment Decarbonization Grant Program for State Entities

TENDER Open

United States, Massachusetts 30 Jun 2027 (Closes in 275 days) BD-25-1041-ENE01-ENE01-109842

ENE53 Ultra-Low Sulfur Diesel, Biodiesel and Renewable Diesel

TENDER Open

United States, Massachusetts 1 Oct 2026 (Closes in 2 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 755 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 8 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 29 days) BD-27-1045-BWR00-BWR01-132812

Trash and recycling collection and transportation

TENDER Open

United States, Massachusetts 18 Nov 2026 (Closes in 50 days) BD-24-1169-WLTHM-WLTHM-132953

Grant - UCF Tree Canopy Enhancement Grant Program

TENDER Open

United States, Massachusetts 2 Nov 2026 (Closes in 34 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 2 days) S-X33157-00017870

Environment & Sustainability Grants

Cost Share for Federal Funding Opportunities Carbon Removal Innovation Support System (CRISP)

Open Energy US GFO-22-901

United States

This solicitation only applies to the Carbon Removal Innovation Support Program (CRISP) for projects that meet the requirements in Section II.C and the applicable federal Funding Opportunity Announcement. Carbon Removal Innovation Support Program (CRISP) This program was created under Assembly Bill (AB) 209 (The Energy and Climate Change budget bill, Chapter 251, Section 13, Chapter 7.8, Article 1, enacted in September 2022). The purpose is to implement advanced technologies for direct air capture of atmospheric carbon. Program and Funding Areas Eligible projects include, but not limited to, technology research, development and demonstrations and prototype and pilot research test centers to remove atmospheric carbon. Ineligible projects do not include a project to benefit petroleum or g...

Native American Preparedness Tribal Grant

Open Disaster Prevention & Relief; Environment & Water US

United States

The Tribal Preparedness Grant is part of the Office of Spill Prevention and Response Program and supports California Native American tribes in preparing for and enhancing emergency preparedness, response, and recovery efforts while protecting their ancestral lands and communities from oil spills.

Cleanup, Remediation, and Watershed Enhancement Funding Opportunity

Open Environment & Water US

United States

CDFW seeks high quality grant proposals that support the enhancement of watersheds and communities in areas impacted by cannabis cultivation. Grants are provided through the Environmental Restoration and Protection Account pursuant to Revenue and Taxation Code section 34019(f)(2)(A). This funding opportunity focuses on planning, implementation, planning + implementation, and cleanup and remediation projects within California. Proposals to remediate and/or enhance watersheds and communities may include the following: road decommissioning, road crossing upgrades, erosion and sediment delivery prevention actions, culvert upgrades, water conservation, cleanup and remediation of impacts due to illicit cannabis operations on private and qualified public lands, and/or enhancing biodiversity an...

Nature Based Solutions – Wildlife Corridors

Open Environment & Water US

United States

Funding to support connectivity projects that advance multi-benefit and nature-based solutions, consistent with the State Wildlife Action Plan, the California Wildlife Barriers Report, and the Fish Passage Annual Legislative Report. For connectivity planning and implementation projects consistent with the State Wildlife Action Plan, the state’s efforts on connectivity, and the Fish Passage Annual Legislative Report or efforts to allow fish and wildlife the freedom to roam in California by accelerating fish and wildlife corridor projects.

Proposition 1 Delta Water Quality and Ecosystem Restoration Grant Program

Open Environment & Water US

United States

To fund multi-benefit ecosystem and watershed protection and restoration projects that benefit the Delta. The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) provides funding to implement the three broad objectives of the California Water Action Plan: more reliable water supplies, the restoration of important species and habitat, and a more resilient, sustainably managed water resources system (e.g., water supply, water quality, flood protection, environment) that can better withstand inevitable and unforeseen pressures in the coming decades. The Delta Water Quality and Ecosystem Restoration Grant Program funds projects that benefit the Delta.

Proposition 68 Rivers and Streams Grant Program

Open Environment & Water US

United States

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

Proposition 68 Fish and Wildlife Improvement Grant Opportunities – (Including Severely Disadvantaged Communities)

Open Environment & Water US

United States

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

Proposition 68 Southern Steelhead Grant Program

Open Environment & Water US

United States

To restore Southern California Steelhead habitat consistent with the Department of Fish and Wildlife’s Steelhead Restoration and Management Plan and the National Marine Fisheries Service’s Southern California Steelhead Recovery Plan. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Projects that remove significant barriers to steelhead migration and include other h...

Proposition 68 Rivers and Streams Grant Program – Klamath-Trinity Watershed

Open Environment & Water US

United States

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

Proposition 1 Watershed Restoration Grant Program

Open Environment & Water US

United States

To fund multi-benefit ecosystem and watershed protection and restoration projects. The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) provides funding to implement the three broad objectives of the California Water Action Plan: more reliable water supplies, the restoration of important species and habitat, and a more resilient, sustainably managed water resources system (e.g., water supply, water quality, flood protection, environment) that can better withstand inevitable and unforeseen pressures in the coming decades. The Watershed Restoration Grant Program funds water quality, river, and watershed protection and restoration projects of statewide importance outside of the Delta.

Proposition 68 Fish and Wildlife Improvement Grant Program

Open Environment & Water US

United States

To improve conditions for fish and wildlife in streams, rivers, wildlife refuges, wetland habitat areas, and estuaries. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Eligible projects include acquisition of water from willing sellers, acquisition of land that includes water rights or contractual rights to water, short- or long-term water transfers or leases, pro...

Oil Spill Response Equipment Grant

Open Disaster Prevention & Relief; Environment & Water US

United States

The objective of the Local Oil Spill Response Equipment Grant Program is to award grants to Native American tribal governments, counties, cities, and special districts in order to pre-position (pre-stage) response equipment to protect economic and environmental resources in the event of an oil spill. The Local Oil Spill Response Equipment Grant Program is administered by the California Department of Fish and Wildlife's Office of Spill Prevention and Response. The objective of this grant program is to award grants to Native American tribal governments, counties, cities, and special districts in order to pre-position (pre-stage) response equipment to protect economic and environmental resources that are located within or immediately adjacent to waters of the state, as defined in Californi...

County-wide and Regional Funding Program

Open Disadvantaged Communities; Environment & Water US

United States

The State Water Resources Control Board (State Water Board) has identified a need for regional programs that address drought related and contamination issues for state small water systems (state smalls) and domestic wells serving disadvantaged communities (DACs) and low-income households. The State Water Board has funding available from various sources within the Safe and Affordable Funding for Equity and Resilience (SAFER) Program to fund drinking water projects that address drought-related and contamination issues. Although we have several programs already in place, we have identified gaps for regional programs that address the needs of households served by state smalls and domestic wells throughout the State. DFA does not award funding directly to households, and available DFA fundin...

California Forest Improvement Program

Open Agriculture; Environment & Water US

United States

The purpose of the California Forest Improvement Program (CFIP) is to encourage private and public investment in, and improved management of, California forest lands and resources, to ensure adequate high quality timber supplies, related employment and other economic benefits, and the protection, maintenance, and enhancement of a productive and stable forest resource system for the benefit of present and future generations. The program scope includes the improvement of all forest resources including fish and wildlife habitat, and soil and water quality. Cost-share assistance is provided to private and public ownerships containing 20 to 5,000 acres of forest land. Cost-shared activities include: Preparation of a Forest Management Plan by a Registered Professional Forester (RPF) and RPF S...

San Diego River Conservancy Direct Grant Program

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

United States

Funding for this grant program was provided through the Budget Act of 2021-22 for local assistance projects. This funding furthers the purposes of the Conservancy’s mission, enabling legislation Public Resources Code, Division 22.9, Sections 32630 et al. (“the San Diego River Conservancy Act”), the Conservancy’s Strategic Plan Update 2018-2023, and other state approved priorities and plans.

Brownfields Revolving Loan Fund (RLF) Grant Program

Open Environment & Water US

United States

The Revolving Loan Fund (RLF) Grant Program purpose is to help facilitate assessing and cleaning up contaminated sites by granting funds to nonprofits, tribal entitles, and local governments. The RLF Grant Program provides grants to help nonprofits, tribal entities, and local governments who are not potentially liable under CERCLA section 107 assess or clean up brownfields that they own. DTSC accepts applications continuously, subject to fund availability. In 2023, there is not sufficient funding in the Revolving Loan Fund, therefore DTSC is not accepting applications at this time.

Greenhouse Gas Reduction Loan Program

Open Energy; Environment & Water US

United States

The GHG Reduction Loan Program provides funds to support new or expanded organics infrastructure, such as composting and anaerobic digestion facilities, as well as for facilities that manufacture fiber, plastic or glass waste materials into beneficial products. The purpose of this investment is to further the purposes of the California Global Warming Solutions Act (Assembly Bill 32), reduce methane emissions from landfills and further GHG reductions in upstream resource management and manufacturing processes; benefit disadvantaged communities by upgrading existing facilities and, where warranted, establishing new facilities that reduce GHG emissions; result in air and water quality improvements; and create jobs.

Recycling Market Development Zone Revolving Loan Program

Open Environment & Water US

United States

The Recycling Market Development Zone (RMDZ) program combines recycling with economic development to fuel new businesses, expand existing ones, create jobs, and divert waste from landfills. The Department of Resources Recycling and Recovery (CalRecycle) administers a Recycling Market Development Zone Loan Program to encourage California-based recycling businesses located within California financing businesses that prevent, reduce, or recycle recovered waste materials through value-added processing or manufacturing. The purpose and importance of the RMDZ Program is set forth in Section 42001 of the California Public Resources Code: “The purpose of this chapter [is] to stimulate the use of postconsumer waste materials and secondary waste materials generated in California as raw materials ...

Coachella Valley Proposition 68 Parks, Conservation Land Access and Climate Change Response Grant Program

Open Environment & Water US

United States

The program makes grants to expand recreational and educational use of conservation lands and improve sustainability in the Coachella Valley. Awards are made projects that enhance park facilities or recreational improvements that expand public access to conservation land or reduce environmental impacts that cause climate change. Applications are accepted on a continuous basis using a pre application form available from the Conservancy. Upon submission of the preapplication form, the applicant meets with Conservancy staff for a pre application consultation, after which the application can be submitted. Further details about the application procedure are available in the Proposition 68 Grant program Guidelines available on the Conservancy's website. Projects that primarily serve several e...

Coachella Valley Open Space Acquisition Program

Open Environment & Water US

United States

Acquire open space to protect wildlife or cultural resources and enhance recreational and educational use of that land. Grants are provide to acquire mountainous or natural community conservation lands in the Coachella Valley and its surrounding mountains, or in limited cases, to provide capital improvements on existing conservation lands. Priority acquisitions are those that support the implementation of the Coachella Valley Multiple Species Habitat Conservation Plan. Matching funds are preferred, but not required.

Community and Economic Enhancement Grant Program – Proposition 68

Open Disadvantaged Communities; Education; Housing, Community and Economic Development; Parks & Recreatio US

United States

This non-competitive grant program focuses on increasing public access to the Delta through recreation and tourism opportunities, historic and cultural preservation, and environmental education in order to promote a robust Delta economy. The Community and Economic Enhancement Grant Program is designed to fund projects that address recreation and tourism, historic and cultural preservation, and environmental education in order to sustain the Delta's heritage and enhance the unique values of the Delta today. The solicitation is an ongoing noncompetitive process. Projects serving a Disadvantaged/Severely Disadvantaged Community will receive priority for funding consideration. The Conservancy will fund planning projects, which include pilot projects. Allowable activities for planning projec...

Cleanup Loans and Environmental Assistance to Neighborhoods (CLEAN) Program

Open Environment & Water US

United States Up to $2,500,000

Department of Toxic Substances Control's (DTSC) CLEAN Program helps developers, businesses, schools, and local governments accelerate the pace of assessment, cleanup, and redevelopment at abandoned and underutilized urban brownfield sites in California. DTSC's CLEAN Loan Program provides loans for property owners, developers, community groups, and local governments to investigate, cleanup and redevelop abandoned and underutilized urban properties. Loan used for the cleanup or removal of hazardous materials where redevelopment is likely to have a beneficial impact on the property values, economic viability, and quality of life of a community. Per Health and Safety Code § 80370, applicant must not have any: Felony convictions or misdemeanors involving the regulation of hazardous materials...

Infrastructure State Revolving Fund (ISRF) Program

Open Energy; Environment & Water; Housing, Community and Economic Development; Libraries and Arts; Parks US

United States

IBank's ISRF Loan Fund program provides low-cost, direct loans to local governments and nonprofits sponsored by public agencies for a wide variety of public infrastructure and economic expansion projects (excluding housing) that improve and sustain communities, helping individuals and families thrive. We focus on small and mid-/moderate-sized local governments and special districts — including those in underserved regions and communities. ISRF loans can fund a wide variety of projects – including water and wastewater treatment plant upgrades or construction, venue or airport construction, or street repair and upgrades. ISRF financing is available in amounts ranging from $1 million to $65 million with loan terms for the useful life of the project up to 30 years. With IBank You: • Save ti...

Science and Lake Improvement Account Program

Open Environment & Water; Parks & Recreation US

United States

The principal goal of the Conservancy's Science and Lake Improvement Account program is to support near-shore environmental improvement program activities and projects, particularly projects that manage aquatic invasive species or improve public access to sovereign land in Lake Tahoe. The California Tahoe Conservancy (Conservancy) leads California's efforts to restore and enhance the extraordinary natural and recreational resources of the Lake Tahoe Basin. The principal goal of the Conservancy's Science and Lake Improvement Account program (SB 630, 2013) is to support near-shore environmental improvement program activities and projects, particularly projects that manage aquatic invasive species or improve public access to sovereign land in Lake Tahoe. More specifically, such projects ma...

Proposition 68 Grant Program

Open Environment & Water; Parks & Recreation US

United States

The principal goal of the Conservancy's Prop 68 grant program is to support purposes set forth in the Conservancy's governing statutes and strategic plan, including stewarding Conservancy lands and protecting Basin communities from wildfire; restoring the resilience of Basin forests and watersheds; providing public access and outdoor recreation for all communities; and fostering Basinwide climate adaptation and sustainable communities. The California Tahoe Conservancy (Conservancy) leads California's efforts to restore and enhance the extraordinary natural and recreational resources of the Lake Tahoe Basin. Proposition 68 allocates $27 million directly to the Conservancy for the purposes set forth in its governing statutes and strategic plan, including stewarding Conservancy lands and p...

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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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