Here's what resilience and sustainability wins Houston has had the past three years. Photo courtesy of the Mayor’s Office of Resilience and Sustainability

Houston is making strides in its commitment to combat climate change and build a more resilient future for its residents, according to a recent report.

Three years after Resilient Houston and the Climate Action Plan launched in 2020, the Mayor’s Office of Resilience and Sustainability, in collaboration with other departments, has issued a report on the progress of both plans.

"The creation of the Mayor's Office of Resilience and Sustainability (MORS) as a combined office in October 2021 is a visionary and bold step that brings a holistic perspective to the practice of resilience and sustainability in Houston," Priya Zachariah, chief resilience and sustainability officer, writes in the report.

"When Houston talks about resilience – it means building capacity in our most vulnerable communities to respond, grow, and thrive in the face of climate shocks and stressors," she continues. "When Houston talks about sustainability – it means reducing greenhouse gas (GHG) emissions, but it also means energy affordability, energy reliability, and energy access for everyday Houstonians."

The report identified some of the biggest wins within the city's plans, including highlighting that 172 out of 201 Resilient Houston sub-actions and 69 out of 96 Climate Action Plan actions have been completed or are in progress. The combined efforts have led to a series of accomplishments over the past year that are driving Houston toward becoming a more sustainable, equitable, and climate-resilient city.

“Earth Day HTX 2023 marked three years of laser-focused cooperation between all city departments and our dedicated community partners to push forth initiatives for a cleaner, greener Houston and I’m proud to say that we are exceeding expectations mapped out in these two plans,” Mayor Sylvester Turner says in a statement. “We track 30 measurable goals and are transparent with where we are on each one of them. We are on track to meet or exceed almost every goal and even though this is my last year in office, the wheels are in motion for future administrations to continue building on this success.”

One of the highlights from the report is the city's reduction of greenhouse gas emissions. The greenhouse gas emissions inventory for 2020 showed a notable 10 percent reduction from the baseline established in 2014.

The city's dedication to sustainability and transparency has also been recognized by external organizations. The Carbon Disclosure Project, or CDP, awarded Houston an A rating in 2022 for its efforts, including public disclosure of climate-related information, a community-wide emissions inventory, and the implementation of a climate risk and vulnerability assessment.

Furthermore, Houston has achieved the Gold designation as a Leadership in Energy and Environmental Design, or LEED, for cities by the U.S. Green Building Council (USGBC). This recognition highlights the city's commitment to green building practices and environmental responsibility.

In terms of green infrastructure, Houston has continued to prioritize tree planting efforts. Per the report, 214,134 trees were planted in 2022, contributing to a total of over 1.4 million trees since 2019. The goal is to plant 4.6 million trees by 2030, effectively reducing urban heat island effects, improving air and water quality, and providing numerous ecological benefits.

In addition, Houston has taken proactive measures to protect its natural habitats and enhance climate resilience. The City Council approved the Nature Preserve Ordinance in 2022, safeguarding 7,423 acres of natural habitat in city parks. These nature preserves will serve as vital spaces for native wildlife, mitigate flooding, and support carbon sequestration.

Houston's commitment to sustainable transportation is also evident. The city has expanded its bike infrastructure, adding 20 miles of high-comfort bike lanes in 2022. This brings the total bikeway miles to 406 out of a goal of 500 miles, promoting alternative and eco-friendly modes of transportation.

The city's efforts extend to municipal operations as well. Houston adopted a Municipal Building Decarbonization and Benchmarking policy in 2022, setting the stage for a more sustainable approach to building management. Additionally, the Houston Airport System has taken significant steps towards achieving carbon neutrality by engaging in the Airport Carbon Accreditation program.

Houston's commitment to renewable energy has also yielded positive results. The city has witnessed an increase in local solar generation, with annual solar generation reaching 148,030 MWh in 2021. Efforts to promote solar investments, including a group-buying campaign with Solar United Neighbors, have contributed to this upward trend.

The city's commitment to electrification is evident in its municipal fleet. Houston has expanded its electric vehicle fleet, operating 333 hybrid electric vehicles and 88 battery electric vehicles. An additional 107 battery electric vehicles and 41 hybrid electric vehicles are expected to be added within the next year. Charging infrastructure is also expanding, with 57 installed chargers and plans for an additional 144.

Mayor Turner's leadership in climate action has extended beyond the city's borders. The mayor led a delegation to Mexico City to launch the Resilient Cities Network initiative, Women in Resilience, highlighting Houston's role in international climate leadership. The city aksi hosted Queen Maxima of the Netherlands and signed a letter of intent with the city of Rotterdam to collaborate on community and energy resilience.

The full report tracking the initiatives' progress is available online.

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This article was generated in part by artificial intelligence.

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Gold H2 harvests clean hydrogen from depleted California reservoirs in first field trial

breakthrough trial

Houston climatech company Gold H2 completed its first field trial that demonstrates subsurface bio-stimulated hydrogen production, which leverages microbiology and existing infrastructure to produce clean hydrogen.

Gold H2 is a spinoff of another Houston biotech company, Cemvita.

“When we compare our tech to the rest of the stack, I think we blow the competition out of the water," Prabhdeep Singh Sekhon, CEO of Gold H2 Sekhon previously told Energy Capital.

The project represented the first-of-its-kind application of Gold H2’s proprietary biotechnology, which generates hydrogen from depleted oil reservoirs, eliminating the need for new drilling, electrolysis or energy-intensive surface facilities. The Woodlands-based ChampionX LLC served as the oilfield services provider, and the trial was conducted in an oilfield in California’s San Joaquin Basin.

According to the company, Gold H2’s technology could yield up to 250 billion kilograms of low-carbon hydrogen, which is estimated to provide enough clean power to Los Angeles for over 50 years and avoid roughly 1 billion metric tons of CO2 equivalent.

“This field trial is tangible proof. We’ve taken a climate liability and turned it into a scalable, low-cost hydrogen solution,” Sekhon said in a news release. “It’s a new blueprint for decarbonization, built for speed, affordability, and global impact.”

Highlights of the trial include:

  • First-ever demonstration of biologically stimulated hydrogen generation at commercial field scale with unprecedented results of 40 percent H2 in the gas stream.
  • Demonstrated how end-of-life oilfield liabilities can be repurposed into hydrogen-producing assets.
  • The trial achieved 400,000 ppm of hydrogen in produced gases, which, according to the company,y is an “unprecedented concentration for a huff-and-puff style operation and a strong indicator of just how robust the process can perform under real-world conditions.”
  • The field trial marked readiness for commercial deployment with targeted hydrogen production costs below $0.50/kg.

“This breakthrough isn’t just a step forward, it’s a leap toward climate impact at scale,” Jillian Evanko, CEO and president at Chart Industries Inc., Gold H2 investor and advisor, added in the release. “By turning depleted oil fields into clean hydrogen generators, Gold H2 has provided a roadmap to produce low-cost, low-carbon energy using the very infrastructure that powered the last century. This changes the game for how the world can decarbonize heavy industry, power grids, and economies, faster and more affordably than we ever thought possible.”

Rice University spinout lands $500K NSF grant to boost chip sustainability

cooler computing

HEXAspec, a spinout from Rice University's Liu Idea Lab for Innovation and Entrepreneurship, was recently awarded a $500,000 National Science Foundation Partnership for Innovation grant.

The team says it will use the funding to continue enhancing semiconductor chips’ thermal conductivity to boost computing power. According to a release from Rice, HEXAspec has developed breakthrough inorganic fillers that allow graphic processing units (GPUs) to use less water and electricity and generate less heat.

The technology has major implications for the future of computing with AI sustainably.

“With the huge scale of investment in new computing infrastructure, the problem of managing the heat produced by these GPUs and semiconductors has grown exponentially. We’re excited to use this award to further our material to meet the needs of existing and emerging industry partners and unlock a new era of computing,” HEXAspec co-founder Tianshu Zhai said in the release.

HEXAspec was founded by Zhai and Chen-Yang Lin, who both participated in the Rice Innovation Fellows program. A third co-founder, Jing Zhang, also worked as a postdoctoral researcher and a research scientist at Rice, according to HEXAspec's website.

The HEXASpec team won the Liu Idea Lab for Innovation and Entrepreneurship's H. Albert Napier Rice Launch Challenge in 2024. More recently, it also won this year's Energy Venture Day and Pitch Competition during CERAWeek in the TEX-E student track, taking home $25,000.

"The grant from the NSF is a game-changer, accelerating the path to market for this transformative technology," Kyle Judah, executive director of Lilie, added in the release.

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This article originally ran on InnovationMap.