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

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...

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

DEP-BWSC-NOIA-2027-BEST VALUE AWARD GRANT-Boys & Girls Club of Dorchester

TENDER Open

United States, Massachusetts 29 Sep 2026 (Closes today) BD-27-1045-BWSC0-BWSC1-133480

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

Drug and Alcohol Testing

TENDER Open

United States, Massachusetts 22 Oct 2026 (Closes in 23 days) BD-27-2157-SERSG-SERSG-133441

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

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 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

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

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

TENDER Open

United States, Massachusetts 5 Feb 2027 (Closes in 129 days) BD-25-1041-ENE01-ENE01-110103

LBE Equipment Decarbonization Grant Program for State Entities

TENDER Open

United States, Massachusetts 30 Jun 2027 (Closes in 274 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

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 3 days) BD-27-1020-DCRCU-DC250-133000

Environment & Sustainability Grants

FY 2026 Ocean Technology Transition Program

Open US NOAA-NOS-IOOS-2026-32698

United States

Request for Applications Description: The U.S. Integrated Ocean Observing System (IOOS®) is a national and regional partnership working to provide ocean, coastal and Great Lakes observations, data, tools, and forecasts to improve safety, enhance the economy, and protect our environment. To increase observational and technical capabilities we need smart investments to innovate sensors, data management, decision support products, and other technical capabilities that will improve our ability to monitor and forecast environmental conditions with greater efficiency. The primary objective of IOOS’ Ocean Technology Transition Project (OTT) is to reduce the Research to Operations/Commercialization transition period for ocean observing, product development, and data management technologies for ...

2026 Wood Products Infrastructure Assistance Program

Open US USDA-FS-WPIA-2026

United States

The USDA Forest Service is announcing funding from the Infrastructure Investment and Jobs Act (IIJA) to provide financial assistance to facilities that procure and process byproducts (timber and biomass) generated from ecosystem restoration/forest management projects in areas at risk of unnaturally severe wildfire or insect or disease infestation. The intent of this funding is to substantially decrease the cost (increase revenue) of restoration/forest management projects on federal and Tribal lands through targeted facility investment outcomes that increase market opportunities and value of byproducts (timber and biomass) produced from these projects. Funding priority for financial assistance is to entities seeking to establish, reopen, retrofit, expand, or improve a sawmill or ot...

INFRA Grants

Open US NSMFHP-26-INFRA

United States

The primary goal of the Nationally Significant Multimodal Freight and Highway Projects (INFRA) program is to fund surface transportation infrastructure projects of national or regional significance that improve the safety, efficiency, and reliability of the movement of people and goods in addition to expanding safe, accessible public parking for commercial motor vehicles.The Department intends to execute project selections under this Notice of Funding Opportunity (NOFO) utilizing approximately $626.7 million in available funding. Specifically, this total includes:• $319.8 million in FY 2023 INFRA funds;• $106.9 million in FY 2024 INFRA funds; and• $200 million in FY 2026 INFRA Commercial Motor Vehicle Parking funds.The Department intends to make project selections using the currently av...

Invertebrate Habitat Modeling and Enhancement for Fort Carson and Pinon Canyon Maneuver Site in Colorado

Open US W9126G262SOI9212

United States

Note: A full study proposal and proposed budget are NOT requested at this time.Project Title: Invertebrate Habitat Modeling and Enhancement for Fort Carson and Pinon Canyon Maneuver Site in Colorado.Brief Description of Anticipated Work: SEE ATTACTHED SOO FOR THIS INFORMATION.Period of Performance: The base period of the agreement will extend 18 months from the date of award. There may be up to four 18-month follow-on periods based on availability of funding.Please send responses or direct questions to:Maria LopezGrants SpecialistUSACE, Fort Worth DistrictEmail: maria.e.lopez@usace.army.milOffice: 817-886-1881ANDBrian HesfordProject ManagerUSACE, Fort Worth DistrictEmail: brian.d.hesford@usace.army.milOffice: 402-200-8268Timeline for Review of Statements of Interest: RSOIs are required ...

FY 2026 PIPELINE EMERGENCY RESPONSE GRANT (PERG)

Open US 693JK326NF0002

United States

This funding opportunity is associated with Assistance Listing 20.706. PHMSA, through this competitive grant opportunity, is requesting applications from states for Pipeline Emergency Response Grant (PERG) funds. PERG focuses on incidents response activities related to the transportation of gas or hazardous liquids by pipeline in high consequence areas. PERG funding will be awarded to eligible states, counties and local governments to train individuals in areas with statutory responsibility to respond to pipeline incidents.

WaterSMART Enhancing Water Resources Projects

Open US R26AS00017

United States

The objective of the WaterSMART Enhancing Water Resources Projects funding opportunity is to invite eligible entities to apply for funding to implement projects per the authorizing language referenced above that benefit water resource management for multiple uses, including water conservation and efficiency projects, water infrastructure improvements, and river and watershed restoration. Projects that balance numerous community interests (agriculture, recreation, fisheries, power, etc.), were developed collaboratively, and provide significant watershed benefits will be prioritized under this funding opportunity. This program demonstrably advances Trump administration priorities, such as those identified in Presidential Executive Order 14154 (January 20, 2025): Unleashing American Energy...

Region 2 Fiscal Year 2025 Wetland Program Development Grants

Open US EPA-REG2-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 through the use of the Core Elements of a Wetlands Program, the Wetlands Program Core Elements Framework and for states and Tribes the deve...

F26AS00068 Partners for Fish and Wildlife FY26

Open US F26AS00068

United States

The U.S. Fish and Wildlife Service (Service) Partners for Fish and Wildlife (PFW) Program helps private landowners restore and protect habitats for fish and wildlife. It offers both technical assistance and financial support, mainly through cooperative agreements.The PFW Program has approximately 220 staff working in all 50 states and territories. They work together with project partners and stakeholders to find key areas for conservation and set habitat goals. These focus areas guide the program on where to direct resources for conserving important habitats for federal trust species. The Program also has strategic plans that help determine which projects receive funding.Since it began in 1987, the PFW Program has successfully assisted many landowners. When choosing projects, the Progra...

Training and Technical Assistance to Improve Water Quality and Enable Small Public Water Systems to Provide Safe Drinking Water

Open US EPA-OW-OGWDW-26-01

United States

The Training and Technical Assistance to Improve Water Quality and Enable Small Public Water Systems to Provide Safe Drinking Water grant program supports small public water systems (PWS) in operations and maintenance to achieve and maintain compliance with the Safe Drinking Water Act (SDWA). The 1996 amendments of the Safe Drinking Water Act (SDWA) provide a framework for states and water systems to work together to protect public health. By law, every state has a Capacity Development Program to assist public water systems in building technical, managerial, and financial (TMF) capabilities (sometimes referred to as “capacity”). Additionally, provisions of the SDWA Section 1452(a)(3) have a requirement for PWSs to demonstrate TMF capability in order to receive loan assistance from ...

Cooperative Agreement for affiliated Partner with the Gulf Coast Cooperative Ecosystem Studies Unit

Open US G26AS00124

United States

The USGS is offering a funding opportunity to a CESU partner to develop an Innovation Landscape in the Southern Great Plains for the purpose of accelerating the transfer of new land management technologies to military installations in the region. The partner will possess both military and natural resource expertise, experience, and established relationships to be able to accurately identify innovation needs and scalable solutions in the natural resource focus area to support the military mission, increase regulatory flexibility for Department of War (DoW), and facilitate military use of the land.

Revolving Fund Program

Open US RDRUS-26-RFP

United States

This program provides grants to qualified private, non-profit entities to capitalize revolving funds for the purpose of providing financing to eligible entities for pre-development costs associated with proposed water and wastewater projects or with existing water and wastewater systems, and short-term costs incurred for replacement equipment, small-scale extension of services, or other small capital projects that are not part of the regular operations and maintenance activities of existing water and wastewater systems.

National Environmental Education and Training Program

Open US EPA-OA-NEETP-26

United States

The National Environmental Education and Training Program is authorized under Section 5 of the National Environmental Education Act of 1990 (Public Law 101-619). The purpose of this program is to deliver environmental education (EE) training and long-term support to formal and non-formal education professionals across the U.S. in the development and delivery of environmental education and training programs and studies, bolstering their ability to effectively teach about environmental issues. Eligibility for funding is open to U.S. institutions of higher education, not-for-profit institutions as described in Section 501(c)(3) of the Internal Revenue Code of 1986 which are exempt from taxation pursuant to provisions of section 501(a) of such Code, or a consortium of such institutions may ...

Cooperative Agreement for affiliated Partner with the Great Lakes-Northern Forest Cooperative Ecosystem Studies Unit

Open US G26AS00132

United States

The U.S. Geological Survey (USGS) is offering a funding opportunity to a CESU partner for research focused on developing authoritative knowledge infrastructure for the GeoAI: Application, which will deploy agentic technology to support the Intelligent National Map (INM).

POOL SAFELY GRANT PROGRAM (PSGP) 2026

Open US CP-VGB-26-001

United States

Under the Virginia Graeme Baker Pool and Spa Safety Act (VGB Act), the U.S. Consumer Product Safety Commission (CPSC) is accepting applications for the Pool Safely Grant Program (PSGP). This program aims to prevent drowning and drain entrapments of children in pools and spas by providing funding to state and local governments. The funding supports drowning prevention education and enforcement of pool safety regulations. CPSC will determine, in its sole discretion, whether an applicant has met the eligibility requirements under the VGB Act for a PSGP funding grant.

Geospace Environment Modeling (GEM)

Open Science_technology_and_other_research_and_development US 22-537

United States $150,000 - $200,000

Geospace Environment Modeling (GEM) is a broad-based research program investigating the physics of the Earth's magnetosphere and the coupling of the magnetosphere to the atmosphere and to the solar wind. The goal of the GEM program is to make accurate predictions of the geospace environment by developing physical understanding of the large-scale organization and dynamics through observations, theory, and increasingly realistic models.

Solar, Heliospheric, and INterplanetary Environment (SHINE)

Open Science_technology_and_other_research_and_development US 22-570

United States $120,000 - $200,000

Solar, Heliospheric, and Interplanetary Environment (SHINE) is a broad-based research program supporting enhanced understanding of and predictive capabilities for the processes by which energy in the form of magnetic fields and particles are produced by the Sun and/or accelerated in interplanetary space and on the mechanisms by which these fields and particles are transported to the Earth through the inner heliosphere. Broad-based, grass-roots associations such as SHINE have developed to focus community effort on these scientific questions. Proposals are solicited for research directly related to topics under consideration and discussion at community workshops organized by SHINE under focused topic areas indicated in the program description. Information on the curr...

Flood Partnership: Real-time Data Grant Program

Open Disaster Prevention & Relief; Environment & Water US

United States

The Real-time Data Grant Program was created to help fund projects to fill a gap in our current flood warning system. This grant program will fund additional real-time telemetry of reservoir elevations at dams with ungated spillways. This will provide important information to forecasters, flood emergency responders, and communities downstream of these dams with ungated spillways during periods of heavy precipitation. The need to improve public safety and achieve other benefits through integrated flood management is urgent due to more people living and working in flood-prone areas, better understanding of system deficiencies, and possible changes in flood magnitude and frequency from a changing climate. In 2018, the Department of Water Resources (DWR) launched the Flood Partnership, in c...

Cost-Share for Federal Geothermal Energy Funding Opportunities

Open Energy; Science, Technology, and Research & Development US GFO-25-902

United States

This solicitation is issued under the Geothermal Grant and Loan Program (Geothermal Program). The purpose of this solicitation is to provide CEC cost-share funding for applicants who apply for and receive an award under an eligible federal Funding Opportunity Announcement (FOA) and meet the requirements of this solicitation. See application manual for more info.

Prop 4 – Wildfire and Forest Resilience

Open Environment & Water US

United States

Protect communities, improve forest health, enhance early detection and response and support long-term capital infrastructure projects. Hazardous fuels reduction, wildfire prevention planning and wildfire prevention education.

Prop 4 – Nature-Based Solutions (NBS)

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

United States

The purposes of Prop 4 include watershed improvement, wildfire resilience, chaparral and forest restoration, and workforce development that addresses needs related to this subdivision and to reduce the risks of climate change impacts upon communities, fish and wildlife, and natural resources, and increase public access. Multi-benefit projects that advance a number of goals, including but not limited to: • Conserving land • Protecting resources • Reducing flood and fire risk • Improving water quality • Protecting and enhancing wildlife habitats and corridors • Completing the San Diego River Trail • Providing public access for the enjoyment of the San Diego River Park and open space, trails, campgrounds and park facilities • Removing invasive plant species from the watershed • Increasing ...

Baldwin Hills & Urban Watersheds Conservancy (BH UWC) Proposition 4: Community and Climate Resilience Grant Program

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

United States

The Baldwin Hills & Urban Watersheds Conservancy Proposition 4: Community and Climate Resilience Grant Program aim to award projects and programs that protect biodiversity; restore watershed function; and expand equitable access to parks and open space. The Climate Bond, Proposition 4: the Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024 (Senate Bill (SB) 867), was approved by voters in November 2024. It added Division 50 (Commencing with Section 80000) to the Public Resources Code (PRC). Section 93020 (a)(1) of Chapter 6: Protect Biodiversity and Accelerating Nature-Based Climate Solutions authorizes the Legislature to appropriate $48,000,000 (forty-eight million dollars) to the Baldwin Hills & Urban Watersheds Conservancy (Conservancy) for...

Proposition 4 Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024

Open Disadvantaged Communities; Disaster Prevention & Relief; Environment & Water; Parks & Recreation US Proposition 4, Chapter 83 Statutes of 2024

United States

Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024. Appropriations under Chapter 6 Protect Biodiversity and Accelerating Nature-Based Climate Solutions 93020 to reduce the risks of climate change impacts upon communities, fish and wildlife, and natural resources, and increase public access. Background: In July 2024, the Legislature approved Chapter 83 (SB 867, Allen), authorizing a $10 billion bond measure entitled the “Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024.” Largely designed to increase the state’s resilience to the impacts of climate change, the measure was placed on the statewide ballot as Proposition 4 and subsequently approved by voters in November. This bond measure builds on signi...

Prop 4 – Randall Preserve

Open Parks & Recreation US

United States

Climate impact reduction and outdoor recreation opportunities at Randall Preserve. The funds appropriated in this item shall be available for the Randall Preserve for work that supports the reduction of climate impacts on disadvantaged communities and vulnerable populations and the creation, protection, and expansion of outdoor recreation opportunities pursuant to Section 94020 of the Public Resources Code and shall be available for encumbrance or expenditure until June 30, 2028.

Coachella Valley Mountains Conservancy Proposition 4 Nature Based Solutions and Climate Adaptation Grant Program

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

United States

The program makes grants to address climate resilience and nature-based solutions in conservation lands and improve sustainability in the Coachella Valley. Awards are made for projects that reduce climate change risks, protect natural and cultural resources, restore habitat and watershed systems, and improve public access to outdoor recreation within the Coachella Valley and its surrounding mountains. Eligible projects may include conservation land acquisition, habitat restoration and enhancement, watershed and ecosystem restoration, wildfire risk reduction, and improvements that expand safe and equitable access to parks, trails, and natural areas. Funding is provided through the Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024 (Proposition ...

Empty Glass Beverage Transportation Grant Program, FY 2026-27

Open Environment & Water US

United States $500,000 - $4,000,000

The fundamental goal of the Empty Glass Beverage Transportation Grant Program is to facilitate the transportation of empty glass beverage containers to glass processing facilities through the use of rail transportation within California. The Department of Resources Recycling and Recovery (CalRecycle) receives an annual and continuous appropriation of $1,000,000 from the Beverage Container Recycling Fund to administer the Empty Glass Beverage Transportation Grant Program (PRC section 14545). All projects must be located within California and transportation must come from California located businesses. Eligible projects include: • Projects that facilitate the use of rail transportation of empty glass beverage containers to glass processing facilities Certified by CalRecycle within the sta...

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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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