Texas fell four spots on WalletHub's annual Greenest States report. Photo via Pexels

Texas dropped in the rankings on WalletHub's Greenest States 2025 report.

The report, released last month, considered 28 relevant metrics—from air and water quality to the number of alternative fuel stations and green buildings per capita—to call out states doing the best (and worst) jobs of caring for the environment.

Texas came in at No. 42 out of 50, with a total score of 42.54 out of 100. Last year, the Lone Star State ranked No. 38 with a score of 50.40 based on 25 metrics.

Texas' poor ranking was driven by its last-placed ranking, coming in at No. 50, for overall environmental quality. It was tied for No. 45 for air quality and ranked No. 46 for water quality, which helped comprise the overall environmental quality score.

Other metrics fell closer toward the middle of the pack. The state ranked No. 32 for eco-friendly behaviors and No. 39 for climate-change contributions.

California also fell on the annual report. While the state claimed the top spot in 2024, it came in at No. 7 this year. Vermont, which came in second in 2024, was named the greenest state in 2025.

Hawaii, which didn't crack the top five last year, was ranked No. 2 on the 2025 report. New York, Maryland and Maine rounded out the top five this year.

West Virginia was the country's least green state again this year, followed by Louisiana, Kentucky, Alabama and Mississippi.

The report also showed that Democrat-led states ranked around No. 12 on average, whereas Republican states fell at around No. 33.

While the WalletHub report seems bleak for Texas, others have shown more positive signs for the state. Texas was ranked slightly above average in a recent ranking of the best states for sustainable development. A recently released U.S. Energy Storage Monitor shows that Texas led all states and surpassed California in the fourth quarter of 2024 by installing 1.2 gigawatts of utility-scale energy storage for solar and wind power.

Still, WalletHub also recently ranked Houston No. 98 out of 100 of the largest cities on its Greenest Cities in America report. Read more here.

Source: WalletHub
Here are some things to know about the situation with the pipeline fire burning just outside of Houston. Photo via Getty Images

What to know about the Houston pipeline fire — how it started, pollution impact, and more

latest update

A pipeline fire that forced hundreds of people to flee their homes in the Houston suburbs burned for a third day Wednesday, with officials saying they don't expect it to be extinguished until sometime Thursday evening.

Officials said residents who had to evacuate would be allowed to return to their homes starting Wednesday evening.

Authorities have offered few details about what prompted the driver of an SUV to hit an aboveground valve on the pipeline on Monday, sparking the blaze.

Here are some things to know about the situation with the pipeline fire:

What caused the fire?

Officials say the underground pipeline, which runs under high-voltage power lines in a grassy corridor between a Walmart and a residential neighborhood in Deer Park, was damaged when the SUV driver left the store's parking lot, entered the wide grassy area and went through a fence surrounding the valve equipment.

Authorities have offered few details on what caused the vehicle to hit the pipeline valve, the identity of the driver or what happened to them. The pipeline company on Wednesday called it an accident. Deer Park officials said preliminary investigations by police and FBI agents found no evidence of a terrorist attack.

Deer Park police won't be able to reach the burned-out vehicle until the flame has been extinguished. Once the area is safe, the department will be able to continue its investigation and confirm specifics, city spokesperson Kaitlyn Bluejacket said in an email Wednesday.

The valve equipment appears to have been protected by a chain-link fence topped with barbed wire. The pipeline's operator has not responded to questions about any other safety protections that were in place.

Who is responsible for the pipeline?

Energy Transfer is the Dallas-based owner of the pipeline, a 20-inch-wide (50-centemeter-wide) conduit that runs for miles through the Houston area.

It carries natural gas liquids through the suburbs of Deer Park and La Porte, both of which are southeast of Houston. Energy Transfer said the fire had diminished overnight and was continuing to “safely burn itself out” on Wednesday.

Energy Transfer also built the Dakota Access Pipeline, which has been at the center of protests and legal battles. The company’s executive chairman, Kelcy Warren, has given millions of dollars in campaign contributions to Republican Texas Gov. Greg Abbott.

What's being done to extinguish the fire?

Energy Transfer said its crews were working Wednesday to install specialized isolation equipment on both sides of the damaged section that will help extinguish the fire.

Once the equipment is installed, which could take several hours of welding, the isolated section of the pipeline will be purged with nitrogen, which will extinguish the fire, company and local officials said. After that, damaged components can be repaired.

“The safest way to manage this process is to let the products burn off,” Energy Transfer said.

Late Wednesday afternoon, Deer Park officials said repair work on the pipeline to help speed up the process to put out the fire wasn't expected to be completed until 6 p.m. on Thursday. Once finished, the fire was anticipated to be extinguished within two to three hours.

How have residents been impacted?

Authorities evacuated nearly 1,000 homes at one point and ordered people in nearby schools to shelter in place. Officials said that starting at 6 p.m. on Wednesday, residents in Deer Park and La Porte who had to evacuate would be allowed to return to their homes. A portion of a highway near the pipeline would remain closed, officials said.

Hundreds of customers lost power. Officials said Wednesday afternoon that only two customers remained without electricity in the Deer Park and La Porte area. Repairs to all of the power distribution lines affected by the fire had been completed.

Deer Park's statement said Energy Transfer was “prioritizing the safety of the community and environment as it implements its emergency response plan.”

“We appreciate the patience and understanding of all residents during this ongoing situation,” Deer Park officials said.

By late Tuesday, about 400 evacuees remained, and some expressed frustration over being forced to quickly flee and not being given any timeline for when they will be able to return.

“We literally walked out with the clothes on our backs, the pets, and just left the neighborhood with no idea where we were going,” said Kristina Reff, who lives near the fire. “That was frustrating.”

What about pollution from the fire?

Energy Transfer and Harris County officials have said that air quality monitoring shows no immediate risk to individuals, despite the huge tower of billowing flame that shot hundreds of feet into the air, creating thick black smoke that hovered over the area.

Houston is the nation’s petrochemical heartland and is home to a cluster of refineries and plants and thousands of miles of pipelines. Explosions and fires are a familiar sight, and some have been deadly, raising recurring questions about industry efforts to protect the public and the environment.

Houston artists have created unique carbon-absorbing art. "Future's Past" by Emily Ding in partnership with UXD tells the story of the Mellie Esperson building. Photo courtesy of Dario DeLeon

Artist collective brings carbon-absorbing murals to Houston

seeing green

Anthony Rose, the CEO of creative agency United By Design, is on a mission to brighten Houston’s urban spaces and improve the city’s air quality one carbon-absorbing mural at a time.

Rose originally founded United By Design, or UXD, in 2019 to connect muralists like himself and commercial businesses seeking to beautify their spaces and form brand identities. After creating vibrant murals for Lockhart Elementary School, the Houston Astros, and Smoothie King, Rose expanded UXD’s vision to include environmental sustainability in their artistic collaborations in 2022.

“This city’s vibrant art scene and growing focus on sustainability makes it an ideal location for our projects,” Rose says. “We’re not just creating eco-friendly murals, we’re reimagining how art can actively contribute to environmental solutions.”

In search of ecologically-conscious paints, Rose formed a partnership with Spain-based, natural paint company Graphenstone. Rose says he was drawn to the company’s eponymous Graphenstone coating because of its nontoxic ingredients and exclusively uses the product for UXD’s carbon-absorbing murals.

For 713 Day, UXD created carbon-absorbing mural "(HUE)STON HARMONY" in collaboration with Downtown Houston+ and local artist David Maldonado. Photo courtesy of Egidio Narvaez

The Graphenstone coating consists of a limestone base which goes through a process called photocatalysis, during which carbon dioxide from the atmosphere is absorbed into the surface, and is then sealed in with graphene, a thin layer of carbon atoms. The murals absorb carbon dioxide throughout the coat’s drying process which typically takes 30 days.

“Each of our murals absorbs about 1600 grams of CO2 during that curing process which is the equivalent daily absorption of about 33 growing trees,” Rose explains.

UXD’s largest carbon-absorbing mural to date is a floor-to-ceiling panorama in downtown Houston’s historic Mellie Esperson building, home to the company’s new creative hub. Painted by Houston-born artist Emily Ding, the mural is a tribute to the establishment’s namesake: an innovative, early 20th century entrepreneur who constructed the opulent building.

Rose says UXD plans to expand their carbon-absorbing murals project in collaboration with more local artists and establishments, while creating an artist-in-residency program themed around sustainability. Though Rose acknowledges in the grand scheme of carbon pollution these murals are not a silver bullet, he says the non-toxic paints are encouraging conversations about how artists can be conservation-minded.

“We’re trying to figure out how art as a messaging tool can help break down scientific data, a language not many people practice daily, can break down barriers and help bridge the gap to a more intuitive knowledge of sustainability,” Rose says. “We’re bringing the community together, helping them feel empowered, and giving them actionable information to help them live more sustainable lives.”

"Between Land and Sky" by artist David Maldonado was UXD's first carbon-absorbing painting. Photo courtesy of Dario DeLeon and Tommy Valdez

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This article originally ran on InnovationMap.

Houston ranks as the 15th most polluted city in the U.S. No other Texas city appears in the ranking. Photo via Getty Images

Houston lands on the wrong end of national pollution report

big yikes

Houston just made a list that no one wants it to be on.

Data compiled by the National Public Utilities Council ranks Houston as the 15th most polluted city in the U.S. No other Texas city appears in the ranking. Three California cities — Bakersfield, Visalia, and Fresno — took the top three spots.

The ranking considers a city’s average volume of fine particulate matter in the air per year. Fine particulate matter (formally known as PM2.5) includes soot, soil dust, and sulphates.

The council based its ranking on the average annual concentration of PM2.5 as measured in micrograms per cubic meter of air, known as µg/m3. The ranking lists Houston’s average annual µg/m3 as 11.4. The World Health Organization (WHO) recommends a top µg/m3 of 5, while the American Lung Association sets 9 µg/m as an average annual guideline.

A report released in 2024 by Smart Survey found that the Houston area had just 38 days of good air quality the previous year.

“Most of Houston’s air pollution comes from industrial sources and diesel engines, although sources as diverse as school buses and meat cooking also contribute to … the problem,” the nonprofit Air Alliance Houston says.

The U.S. Environmental Protection Agency says PM2.5 poses “the greatest risk to health” of any particulate matter. Among other health issues, fine particulate matter contributes to cardiovascular disease, lung cancer, and chronic pulmonary disease.

Among the sources of PM2.5 are wildfires, wood-burning stoves, and coal-fired plants, according to the American Lung Association.

The WHO says air pollution causes 7 million deaths annually and may cost the global economy $18 trillion to 25 trillion by 2060. With 70 percent of the population expected to live in urban centers by mid-century, cities are at the forefront of efforts to reduce pollution, according to National Public Utilities Council.

It might only be Texas' grass that is green. Photo via Getty Images

Here's how Texas ranks among the greenest states

zooming in

Turns out — Texas might not be as green as you thought.

A new report from WalletHub looked at 25 key metrics — from green buildings per capita to energy consumption from renewable resources — to evaluate the current health of states' environment and residents’ environmental-friendliness. Texas ranked No. 38, meaning it was the thirteenth least green state, only scoring 50.40 points out of 100.

“It’s important for every American to do their part to support greener living and protect our environment. However, it’s much easier being green in some states than others," writes Cassandra Happe, a WalletHub Analyst, in the report. "For example, if a state doesn’t have a great infrastructure for alternative-fuel vehicles, it becomes much harder for residents to adopt that technology. Living in a green state is also very beneficial for the health of you and your family, as you benefit from better air, soil and water quality.”

Here's how Texas ranked among a few of the key metrics:

  • No. 35 for air quality
  • No. 38 for soil quality
  • No. 38 for water quality
  • No. 26 for LEED-certified buildings per capita
  • No. 32 for percent of renewable energy consumption
  • No. 45 for energy consumption per capita
  • No. 38 for gasoline consumption (in gallons) per capita
Despite Texas' solar energy generation surpassed the output by coal last month, according to a report from the Institute For Energy Economics and Financial Analysis, the Lone Star State has room for improvement.
California was ranked as the greenest state, with Vermont, New York, Maryland, and Washington, respectively, rounding out the top five. The country's least green state is West Virginia, followed by Louisiana, Alabama, Mississippi, and Kentucky.

The report also zeroed in on how politics play into a state's climate system. Democrat-led states ranked around No. 15 on average, whereas Republican states fell at around No. 36.


Source: WalletHub
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Houston energy tech company breaks ground on low-cost green hydrogen pilot plant

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Houston’s Lummus Technology and Advanced Ionics have broken ground on their hydrogen pilot plant at Lummus’ R&D facility in Pasadena.

The plant will support Advanced Ionics’ cutting-edge electrolyzer technology, which aims to deliver high-efficiency hydrogen production with reduced energy requirements.

“By demonstrating Advanced Ionics’ technology at our state-of-the-art R&D facility, we are leveraging the expertise of our scientists and R&D team, plus our proven track record of developing breakthrough technologies,” Leon de Bruyn, president and CEO of Lummus, said in a news release. “This will help us accelerate commercialization of the technology and deliver scalable, cost-effective and sustainable green hydrogen solutions to our customers.”

Advanced Ionics is a Milwaukee-based low-cost green hydrogen technology provider. Its electrolyzer converts process and waste heat into green hydrogen for less than a dollar per kilogram, according to the company. The platform's users include industrial hydrogen producers looking to optimize sustainability at an affordable cost.

Lummus, a global energy technology company, will operate the Advanced Ionics electrolyzer and manage the balance of plant systems.

In 2024, Lummus and Advanced Ionics established their partnership to help advance the production of cost-effective and sustainable hydrogen technology. Lummus Venture Capital also invested an undisclosed amount into Advanced Ionics at the time.

“Our collaboration with Lummus demonstrates the power of partnerships in driving the energy transition forward,” Ignacio Bincaz, CEO of Advanced Ionics, added in the news release. “Lummus serves as a launchpad for technologies like ours, enabling us to validate performance and integration under real-world conditions. This milestone proves that green hydrogen can be practical and economically viable, and it marks another key step toward commercial deployment.”

Houston Energy Transition Initiative releases 2025 year in review

The View From HETI

The Houston Energy Transition Initiative (HETI) concludes another impactful year by reaffirming our commitment to positioning Houston as the global leader in the energy transition – delivering more energy with fewer emissions. HETI continues to be focused on advancing key regional priorities, driving economic development and talent recruitment.

It was a year of changes across the energy landscape, yet HETI continued to collaborate, convene, and deliver measurable progress. Below are some of the year’s key highlights:

Sharing Members’ Impact on Decarbonization and Emissions Reductions

HETI released a report detailing members’ low-carbon initiatives and commitments, showcasing industry momentum and long-term pathways to achieving the dual challenge of meeting growing global energy demand while reducing emissions. Major findings include more than $95 billion in low-carbon investments and 20% reduction in Scope 1 emissions since 2017 by HETI-affiliated companies. The report also recommends strategic pathways for continued emissions reductions.

Advancing CCUS at Commercial Scale

HETI publicly supported efforts to accelerate carbon capture, utilization, and storage (CCUS) efforts to commercial scale. Early in the year, HETI and the Houston CCS Alliance commissioned Texas A&M University’s Energy Institute and Mary Kay O’Connor Process Safety Center to research the operational history and safety record of CCUS in the United States. In November, the U.S. Environmental Protection Agency granted Texas authority to permit CCUS—a significant win that increases the region’s competitiveness in the global energy ecosystem.

Leadership in Resilient Power for Houston’s Growth

In June, HETI hosted its first Resilient Power: Fueling Houston’s Growing Economy summit, bringing together more than 100 business and civic leaders to discuss the role of resilient, reliable power in Houston’s economic development. Cross-sector leaders explored the impacts of rising power demand driven by industrial decarbonization and digitalization, and discussed the essential collaboration between the energy and tech sectors to strengthen long-term resilience through an “all of the above” approach. HETI also published a fact sheet on Houston’s resilient power access, affordability, and reliability as a resource for partners.

Showcasing Houston’s Leadership at CERAWeek 2025

HETI participated in CERAWeek 2025, elevating Houston’s energy leadership on the world stage. The HETI House activation in the Innovation Agora attracted more than 1,000 visitors and generated over 80 economic development leads. In addition, HETI partnered with Rice Alliance and TEX-E for the fourth annual Energy Ventures Pitch Competition at CERAWeek, bringing together students, startups and energy leaders to advance innovation and investment.

Scaling Houston’s Innovation Ecosystem

As Houston’s energy innovation ecosystem continues to grow, HETI plays an important role in shaping its future. During its second year, Houston Energy and Climate Startup Week attracted more than 3,900 attendees from local and global startups, industry leaders, and investors—further solidifying Houston’s status as the world’s leading energy innovation hub.

Strengthening Regional Competitiveness

To advance technology commercialization and support the Gulf Coast’s continued energy competitiveness, HETI hosted its second annual Gulf Coast National Labs Workshop. This year’s event convened more than 120 leaders representing six national laboratories, industry partners, academia, and government stakeholders to accelerate collaboration around the region’s greatest energy and chemical challenges.

HETI’s progress this year is significant, but the work ahead is even more critical. As we move into the new year, HETI remains steadfast in its commitment to convening industry leaders, informing policy, supporting innovation, and driving economic growth across the region. This work strengthens Houston’s core energy economy and accelerates the emerging sectors that will ensure Houston continues to lead the world in energy.

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This article originally appeared on the Greater Houston Partnership's Houston Energy Transition Initiative blog. HETI exists to support Houston's future as an energy leader. For more information about the Houston Energy Transition Initiative, EnergyCapitalHTX's presenting sponsor, visit htxenergytransition.org.

Chevron CEO touts biofuels as part of its renewable energy efforts

Betting on biofuels

As Chevron Chairman and CEO Mike Wirth surveys the renewable energy landscape, he sees the most potential in biofuels.

At a recent WSJ CEO Council event, Wirth put a particular emphasis on biofuels—the most established form of renewable energy—among the mix of low-carbon energy sources. According to Biofuels International, Chevron operates nine biorefineries around the world.

Biofuels are made from fats and oils, such as canola oil, soybean oil and used cooking oil.

At Chevron’s renewable diesel plant in Geismar, Louisiana, a recent expansion boosted annual production by 278 percent — from 90 million gallons to 340 million gallons. To drive innovation in the low-carbon-fuels sector, Chevron opened a technology center this summer at its renewable energy campus in Ames, Iowa.

Across the board, Chevron has earmarked $8 billion to advance its low-carbon business by 2028.

In addition to biofuels, Chevron’s low-carbon strategy includes hydrogen, although Wirth said hydrogen “is proving to be very difficult” because “you’re fighting the laws of thermodynamics.”

Nonetheless, Chevron is heavily invested in the hydrogen market:

As for geothermal energy, Wirth said it shows “some real promise.” Chevron’s plans for this segment of the renewable energy industry include a 20-megawatt geothermal pilot project in Northern California, according to the California Community Choice Association. The project is part of an initiative that aims to eventually produce 600 megawatts of geothermal energy.

What about solar and wind power?

“We start with things where we have some reason to believe we can create shareholder value, where we’ve got skills and competency, so we didn’t go into wind or solar because we’re not a turbine manufacturer installing wind and solar,” he said in remarks reported by The Wall Street Journal.

In a September interview with The New York Times, Wirth touched on Chevron’s green energy capabilities.

“We are investing in new technologies, like hydrogen, carbon capture and storage, lithium and renewable fuels,” Wirth said. “They are growing fast but off a very small base. We need to do things that meet demand as it exists and then evolve as demand evolves.”