Meet the new arrivals at Greentown Houston. Photo courtesy of Greentown Labs

Greentown Labs closed out the second quarter with the addition of 17 startups, and just over half are collaborating with the Houston location.

The technology represented by the new additions span the industries of energy, agriculture, and manufacturing, with a focus on carbon capture, electrical usage efficiency, and resource accessibility.

Carbon capture

Two of the newest Houston members, Capture6 and C-Quester, are also part of the Carbon2Value Initiative, a global partnership between the Greentown Labs, Urban Future Lab in New York, and Fraunhofer, headquartered in Michigan. C2V focuses on accelerating technology solutions that capture carbon dioxide for conversion into value-adding products and services.

Similar to the way a sponge is moistened and later wrung out, C-Quester pulls CO2 from flue gas into a temperature-sensitive material that can be heated later to release carbon, making the storage and transport of CO2 easier to manage.

Capture6 uses CO2 pulled from the atmosphere through their Direct Air Capture technology in combination with water treatment methodologies to remove excess salinity from saltwater and brine, resulting in greater freshwater recovery, usable elements for a variety of industries, and carbonates transformed into mineralized form to prevent continued carbon emissions.

Energy efficiency

The Helix MICRA filters created by Helix Earth Technologies can remove CO2 from power plants and other pollutants commonly encountered in the shipping industry. The filtering technology, initially developed for NASA, also dehumidifies air conditioning systems for more efficient energy use.

H2PRO uses its water-splitting technology, E-TAC, to produce green hydrogen in a two-step process that requires less energy to perform than the more common process of electrolysis with improved safety aspects.

Steam production and distribution get an upgrade with Imperium Technologies, the first electromechanical solution that enables previously unseen systems monitoring for reduction in greenhouse gas emissions by 20 percent, on average.

With a keen focus on predictive insights, eologix deploys smart sensors to give operators advance warning of situations that could cause rotor imbalances to keep wind turbines – and the energy they produce – optimized.

Resource accessibility

NW NA supports the goals of stability, predictability, and accessibility of electric-powered vehicle use with its high-power EV-charging station, mobile electricity storage units, and renewable energy measurement and forecasting tool.

From the Metaversity under development, to its oil and gas line leak detection systems, Kauel goes all-in on AI for its clients, even helping children with kinesthetic rehabilitation through augmented and virtual reality programs.

Finally, SkyH2O brings fresh, clean water to areas with limited access to existing infrastructure or natural water resources for commercial, military, and industrial use.

Another eight startups join the cohort named above as members of the Greentown Labs Boston location: Capro-X, Carbon2Stone, Cottage, Dioxycle, enaDyne, Global Algae Innovations, Terrafixing, and Thola.

------

This article originally ran on EnergyCapital.

Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

5+ must-know application deadlines for Houston innovators

apply now

Editor's note: As 2026 ramps up, the Houston innovation scene is looking for the latest groups of innovative startups that'll make an impact. A number of accelerators and competitions have opened applications. Read below to see which might be a good fit for you or your venture. And take careful note of the deadlines. Please note: this article may be updated to include additional information and programs.

Did we miss an accelerator or competition accepting applications? Email innoeditor@innovationmap.com for editorial consideration.

2026 HCC Business Plan Competition

Deadline: Jan. 26

Details: HCC’s annual Business Plan Competition (BPC) is an opportunity for proposed, startup and existing entrepreneurs to develop focused plans to start or grow their businesses. Accepted teams will be announced and training will begin in late February and run through early June, with six free, three-hour training sessions. Advising will be provided to each accepted team. Applicants can apply as a team of up to five persons. Finalists will present to to gudges on May 27, 2026. Last year, $26,000 was awarded in seed money to the top five teams. In-kind prizes were also awarded to all graduating teams including free products, services and memberships, with an estimated in-kind value totaling $147,000. Find more information here.

University of Houston Technology Bridge Innov8 Hub (Spring 2026)

Deadline: Jan . 30

Details: UHTB Innov8 Hub’s immersive, 12-week startup acceleration program designed to help early-stage founders launch and scale their technology startups. Selected participants will gain access to expert mentors and advisors, collaborate with a cohort of peers, and compete for cash prizes during our final pitch event. The cohort begins Feb. 16, 2026. The program culminates in Pitch Day, where participants present their ventures to an audience of investors and partners from across the UH innovation ecosystem. Find more information here.

Rice Business Plan Competition 2026

Deadline: Jan. 31

Details: The Rice Business Plan Competition, hosted by the Rice Alliance for Technology and Entrepreneurship, gives collegiate entrepreneurs real-world experience to pitch their startups, enhance their business strategy and learn what it takes to launch a successful company. Forty-two teams will compete for more than $1 million in cash, investments and prizes on April 9-11, 2026. Find more information here.

Rice Veterans Business Battle 2026

Deadline: Jan. 31

Details: The Rice Veterans Business Battle is one of the nation’s largest pitch competitions for veteran-led startups, providing founders with mentorship, exposure to investors and the opportunity to compete for non-dilutive cash prizes. The event has led to more than $10 million of investments since it began in 2015. Teams will compete April 8-9, 2026. Find more information here.

TEX-E Fellows Application 2026-2027

Deadline: Feb. 10

Details: The TEX‑E Fellowship is a hands-on program designed for students interested in energy, climate, and entrepreneurship across Texas. It connects participants with industry mentors, startup founders, investors and academic leaders while providing practical, "real-world" experience in customer discovery, business modeling, and energy-transition innovation. Fellows gain access to workshops, real-world projects, and a statewide network shaping the future of energy and climate solutions. Participants must be a student at PVAMU, UH, UT Austin, Rice University, MIT or Texas A&M. Find more information here.

Greentown Go Make 2026

Deadline: March 10

Details: Greentown Go Make 2026 is an open-innovation program with Shell and Technip Energies. The six-month program is advancing industrial decarbonization by accelerating catalytic innovations. Selected startups will gain access to a structured platform to engage leadership from Shell and Technip Energies and explore potential partnership outcomes, including pilots and demonstrations. They’ll also receive networking opportunities, partnership-focused programming, and marketing visibility throughout the program. The cohort will be selected in May. Find more information here.

Houston startups closed $1.75 billion in 2025 VC funding, says report

by the numbers

Going against national trends, Houston-area startups raised 7 percent less venture capital last year than they did in 2024, according to the new PitchBook-NVCA Venture Monitor report.

The report shows local startups collected $1.75 billion in venture capital in 2025, down from $1.89 billion the previous year.

Houston-based geothermal energy company Fervo Energy received a big chunk of the region’s VC funding last year. Altogether, the startup snagged $562 million in investments, as well as a $60 million extension of an existing loan and $45.6 million in debt financing. The bulk of the 2025 haul was a $462 million Series E round.

In the fourth quarter of last year, Houston-area VC funding totaled $627.68 million. That was a 22 percent drop from $765.03 million during the same period in 2024. Still, the Q4 total was the biggest quarterly total in 2025.

Across the country, startups picked up $339.4 trillion in VC funding last year, a 59 percent increase from $213.2 trillion in 2024, according to the report. Over the last 10 years, only the VC total in 2021 ($358.2 trillion) surpassed the total from 2025.

Nationwide, startups in the artificial intelligence and machine learning sector accounted for the biggest share of VC funding (65.4 percent) in 2025, followed by software-as-a-service (SaaS), big data, manufacturing, life sciences and healthtech, according to the report.

“Despite an overall lack of new fundraising and a liquidity market that did not shape up as hoped in 2025, deal activity has begun a phase of regrowth, with deal count estimates showing increases at each stage, and deal value, though concentrated in a small number of deals, falling just [8 percent] short of the 2021 figure,” the report reads.

Sandbox VR brings new gaming center to Houston's tech-savvy population

Get In The Game

Sandbox VR, a futuristic, full-body virtual reality gaming experience, has announced it will enter the Houston market this month, opening its first local gaming center on January 23.

"Houston's reputation as a hub for innovation and technology makes it a perfect fit for Sandbox VR," said Steve Zhao, CEO and founder of Sandbox VR, in a statement. "The city's diverse, tech-savvy population and strong entertainment culture create an ideal environment for our immersive VR experiences. LOL Entertainment continues to exceed our expectations as a partner, and we're excited to bring our cutting-edge virtual reality gaming to Texas's largest city."

The new gaming center opens Friday, January 23 at 797 Sorella Court in CityCentre.

One of the games that stands out is the Stranger Things: Catalyst game, based on the blockbuster Netflix television series. Groups of one to six players will be dropped into the sinister Hawkins Lab and the mysterious Upside Down to fight Demogorgons and other monsters. The game features Matthew Modine reprising his role as Dr. Martin "Papa" Brenner, who imbues players with psychic powers.

Other games include the supernatural pirate title The Curse of Davy Jones and other Netflix tie-ins based on Zack Snyder's Rebel Moon and Squid Game. Sandbox VR offers fully-immersive group play activities that range from combat to puzzle solving for a variety of age groups.

The opening of Sandbox VR is another part of the expansion of LOL Entertainment, who touts itself as one of the pre-eminent hosts of immersive and gaming experiences in the U.S. Sandbox VR will be their first entry into the Houston market, with another immersive group adventure game, Time Mission, set to open at the the Marq'E Entertainment District later this year.

“Bringing Sandbox VR to CityCentre Houston is a big milestone for LOL Entertainment, for Sandbox VR, and for this market,” said Rob Cooper, CEO of LOL Entertainment. “Houston is a fast-growing, experience-driven city, and we’re excited to give locals and visitors a truly immersive, social gaming destination that you can’t replicate anywhere.”

Presale tickets for the grand opening of Sandbox VR are available here. Standard pricing is $55-$65 per event, but Sandbox VR is running a special for 30 percent off with code OPEN30 for those who purchase before Thursday, January 22. Presale buyers are also entered into a drawing for free Sandbox VR for one year.

---

This article originally appeared on CultureMap.com.