Climate Tech grants in the United States
Explore Climate Tech grants for companies in the United States. This list brings together funding for decarbonization, carbon removal, clean industry, adaptation and climate data from US innovation agencies, research funders and foundations, international programs open to applicants in the United States, and competitions any company can enter, with the deadline, award size and eligibility on every listing. Grants aimed at Climate Tech in the United States come first.
Showing 457-480 of 506 grants
NewGen Renewable Energy Accelerator – Cohort 2026
IRENA · United Arab Emirates
Backs youth-led renewable energy and climate ventures with a four-month acceleration programme.
RELX Environmental Challenge
RELX · United Kingdom
Awards two $75,000 lump-sum prizes for water/sanitation or ocean environmental innovation.
Rice Business Plan Competition
Rice Jones School · United States
Funds student-led startup teams competing for investment, non-dilutive cash, and in-kind prizes at Rice University.
SET Award 2026
dena · Germany
Awards early-stage climate tech and energy start-ups an equity-free cash prize, a fully-covered trip to Berlin, and investor exposure at the SET Tech Festival.
Space for Infrastructure: Water Management
ESA · Global / Multinational
Funds feasibility studies and pilots for satellite-enabled water infrastructure.
Starbucks Global Cold Cup Innovation Challenge
Starbucks · United States
Pays up to $50,000 to solvers who invent a plastic-free, compostable cold-cup material.
Startup Innovation Awards
WFF · Global / Multinational
Awards at least $7,500 per category, plus a $10,000 bonus for the top agrifood startup.
SusHi Tech Challenge 2026
SusHi Tech Tokyo · Japan
Awards the winning startup 10 million yen after a pitch contest at SusHi Tech Tokyo.
Wilkes Climate Innovation Prize
Wilkes Center · United States
Awards $250,000 in non-dilutive funding to a bold, high-potential climate solution.
XPRIZE Water Scarcity — Track A: Desalination: System-Level Innovation
XPRIZE · United States
Awards up to $40 million for a system that makes large-scale seawater desalination affordable.
XPRIZE Wildfire Track B: Autonomous Wildfire Response
XPRIZE · United States
Pays a $3.5 million Grand Prize (plus milestone and bonus prizes from a $5 million pool) to the team whose autonomous system detects and fully suppresses a high-risk wildfire fastest.
XR Prize Challenge: Fight Climate Change
AugmentedReality.org · United States
Paid a $100,000 cash prize to the best AR/VR solution built to help fight climate change.
Equinor Ventures (Norwegian sovereign-linked)
Equinor · Norway
Invests in Scandinavian deep-tech and energy ventures with long-horizon backing from Equinor-linked venture operations.
South Summit Brazil Startup Competition
South Summit · Spain
Offers pitch time, mentoring and investor exposure to five category-winning startups.
Tufts New Ventures Competition
Derby E-Center · United States
Awards up to $250,000 in cash and in-kind prizes to Tufts-affiliated founders.
Datadog for Open Source Projects
Datadog Inc. · United States
Offers qualifying open-source projects free full Datadog access to support monitoring and reliability operations.
Founders Factory
Founders Factory · United Kingdom
Provides venture studio support, go-to-market coaching, and startup growth services through cohort engagement.
MSCA Staff Exchanges 2027
European Commission · European Union
Funds secondments of staff between partner organisations worldwide so researchers and R&I staff gain cross-sector, cross-country and cross-discipline experience.
MSCA Postdoctoral Fellowships 2027
European Commission · European Union
Pays a postdoctoral researcher's fellowship at a host organisation in Europe, or abroad with a mandatory return phase, to build international research experience.
Rising UP in Spain 2026
🇪🇸ICEX · Spain
Backs startups setting up and scaling their business in Spain.
Open Call for Innovation
UKDI / DASA · United Kingdom
Funds organisations worldwide developing novel defence and security innovations across any technology area from TRL 1 to TRL 8.
ASML Emerging Innovator Award
ASML · Netherlands
Offers breakthrough hardware startups coaching and up to €4,000 in travel support.
AWS Activate Founders Package
AWS · United States
Offers early-stage founders startup credits for compute on AWS so teams can prototype and launch without immediate spend.
AWS Activate Portfolio Package
AWS · United States
Offers provider-backed startups additional AWS startup credits for advanced architecture, deployment, and customer growth through the portfolio program.