What can hospital systems do to combat climate change? A lot, according to a new report from the Center for Houston's Future. Photo via TMC.org

A new report underscores an “urgent need” for health care systems in the Houston area to combat climate change and avoid an environmental “code blue.”

“By adopting collaborative strategies and leveraging technological innovations, health care providers can play a pivotal role in safeguarding the health of Houston’s residents against the backdrop of an evolving climate landscape,” says the report, published by the Center for Houston’s Future.

Among the report’s recommendations are:

  • Advocate for policies that promote decarbonization.
  • Create eco-friendly spaces at hospitals and in low-income communities, among other places.
  • Recruit “champions” among health leaders and physicians to help battle climate change.
  • Establish academic programs to educate health care professionals and students about climate health and decarbonization.
  • Bolster research surrounding climate change.
  • Benchmark, track, and publish statistics about greenhouse gas emissions “to foster accountability and reduce environmental impacts of the health care sector.” The report notes that the U.S. health care sector emits 8.5 percent of the country’s greenhouse gases.

“By embracing collaborative strategies, acting with urgency and implementing sustainable practices, our region’s health care providers can play a pivotal role in creating a healthier, more resilient Houston,” says Brett Perlman, outgoing president and CEO of the Center for Houston’s Future. “If we work together, given all the collective wisdom, resources and innovation concentrated in our medical community, we can tackle the challenges that are confronting us.”

The report highlights the threat of climate-driven disasters in the Houston area, such as extreme heat, floods, and hurricanes. These events are likely to aggravate health issues like heatstroke, respiratory illnesses, cardiovascular diseases, and insect-borne diseases, says the report.

St. Luke’s Health, a nonprofit health care system with 16 hospitals in the Houston area and East Texas, provided funding for the report.

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

City of Houston issues report highlighting progress of climate, sustainability plans

checking in

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.

------

This article was generated in part by artificial intelligence.

Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

Houston researchers make headway on developing low-cost sodium-ion batteries

energy storage

A new study by researchers from Rice University’s Department of Materials Science and NanoEngineering, Baylor University and the Indian Institute of Science Education and Research Thiruvananthapuram has introduced a solution that could help develop more affordable and sustainable sodium-ion batteries.

The findings were recently published in the journal Advanced Functional Materials.

The team worked with tiny cone- and disc-shaped carbon materials from oil and gas industry byproducts with a pure graphitic structure. The forms allow for more efficient energy storage with larger sodium and potassium ions, which is a challenge for anodes in battery research. Sodium and potassium are more widely available and cheaper than lithium.

“For years, we’ve known that sodium and potassium are attractive alternatives to lithium,” Pulickel Ajayan, the Benjamin M. and Mary Greenwood Anderson Professor of Engineering at Rice, said in a news release. “But the challenge has always been finding carbon-based anode materials that can store these larger ions efficiently.”

Lithium-ion batteries traditionally rely on graphite as an anode material. However, traditional graphite structures cannot efficiently store sodium or potassium energy, since the atoms are too big and interactions become too complex to slide in and out of graphite’s layers. The cone and disc structures “offer curvature and spacing that welcome sodium and potassium ions without the need for chemical doping (the process of intentionally adding small amounts of specific atoms or molecules to change its properties) or other artificial modifications,” according to the study.

“This is one of the first clear demonstrations of sodium-ion intercalation in pure graphitic materials with such stability,” Atin Pramanik, first author of the study and a postdoctoral associate in Ajayan’s lab, said in the release. “It challenges the belief that pure graphite can’t work with sodium.”

In lab tests, the carbon cones and discs stored about 230 milliamp-hours of charge per gram (mAh/g) by using sodium ions. They still held 151 mAh/g even after 2,000 fast charging cycles. They also worked with potassium-ion batteries.

“We believe this discovery opens up a new design space for battery anodes,” Ajayan added in the release. “Instead of changing the chemistry, we’re changing the shape, and that’s proving to be just as interesting.”

ExxonMobil lands major partnership for clean hydrogen facility in Baytown

power deal

Exxon Mobil and Japanese import/export company Marubeni Corp. have signed a long-term offtake agreement for 250,000 tonnes of low-carbon ammonia per year from ExxonMobil’s forthcoming facility in Baytown, Texas.

“This is another positive step forward for our landmark project,” Barry Engle, president of ExxonMobil Low Carbon Solutions, said in a news release. “By using American-produced natural gas we can boost global energy supply, support Japan’s decarbonization goals and create jobs at home. Our strong relationship with Marubeni sets the stage for delivering low-carbon ammonia from the U.S. to Japan for years to come."

The companies plan to produce low-carbon hydrogen with approximately 98% of CO2 removed and low-carbon ammonia. Marubeni will supply the ammonia mainly to Kobe Power Plant, a subsidiary of Kobe Steel, and has also agreed to acquire an equity stake in ExxonMobil’s low-carbon hydrogen and ammonia facility, which is expected to be one of the largest of its kind.

The Baytown facility aims to produce up to 1 billion cubic feet daily of “virtually carbon-free” hydrogen. It can also produce more than 1 million tons of low-carbon ammonia per year. A final investment decision is expected in 2025 that will be contingent on government policy and necessary regulatory permits, according to the release.

The Kobe Power Plant aims to co-fire low-carbon ammonia with existing fuel, and reduce CO2 emissions by Japan’s fiscal year of 2030. Marubeni also aims to assist the decarbonization of Japan’s power sector and steel manufacturing industry, chemical industry, transportation industry and various others sectors.

“Marubeni will take this first step together with ExxonMobil in the aim of establishing a global low-carbon ammonia supply chain for Japan through the supply of low-carbon ammonia to the Kobe Power Plant,” Yoshiaki Yokota, senior managing executive officer at Marubeni Corp., added in the news release. “Additionally, we aim to collaborate beyond this supply chain and strive towards the launch of a global market for low-carbon ammonia. We hope to continue to actively cooperate with ExxonMobil, with a view of utilizing this experience and relationship we have built to strategically decarbonize our power projects in Japan and Southeast Asia in the near future.”

Houston expert: The role of U.S. LNG in global energy markets

guest column

The debate over U.S. Liquefied Natural Gas (LNG) exports is too often framed in misleading, oversimplified terms. The reality is clear: LNG is not just a temporary fix or a bridge fuel, it is a fundamental pillar of global energy security and economic stability. U.S. LNG is already reducing coal use in Asia, strengthening Europe’s energy balance, and driving economic growth at home. Turning away from LNG exports now would be a shortsighted mistake, undermining both U.S. economic interests and global energy security.

Ken Medlock, Senior Director of the Baker Institute’s Center for Energy Studies, provides a fact-based assessment of the U.S. LNG exports that cuts through the noise. His analysis, consistent with McKinsey work, confirms that U.S. LNG is essential to balancing global energy markets for the decades ahead. While infrastructure challenges and environmental concerns exist, the benefits far outweigh the drawbacks. If the U.S. fails to embrace its leadership in LNG, we risk giving up our position to competitors, weakening our energy resilience, and damaging national security.

LNG Export Licenses: Options, Not Guarantees

A common but deeply flawed argument against expanding LNG exports is the assumption that granting licenses guarantees unlimited exports. This is simply incorrect. As Medlock puts it, “Licenses are options, not guarantees. Projects do not move forward if they are unable to find commercial footing.”

This is critical: government approvals do not dictate market outcomes. LNG projects must navigate economic viability, infrastructure feasibility, and global demand before becoming operational. This reality should dispel fears that expanded licensing will automatically lead to an uncontrolled surge in exports or domestic price spikes. The market, not government restrictions, should determine which projects succeed.

Canada’s Role in U.S. Gas Markets

The U.S. LNG debate often overlooks an important factor: pipeline imports from Canada. The U.S. and Canadian markets are deeply intertwined, yet critics often ignore this reality. Medlock highlights that “the importance to domestic supply-demand balance of our neighbors to the north and south cannot be overstated.”

Infrastructure Constraints and Price Volatility

One of the most counterproductive policies the U.S. could adopt is restricting LNG infrastructure development. Ironically, such restrictions would not only hinder exports but also drive up domestic energy prices. Medlock’s report explains this paradox: “Constraints that either raise development costs or limit the ability to develop infrastructure tend to make domestic supply less elastic. Ironically, this has the impact of limiting exports and raising domestic prices.”

The takeaway is straightforward: blocking infrastructure development is a self-inflicted wound. It stifles market efficiency, raises costs for American consumers, and weakens U.S. competitiveness in global energy markets. McKinsey research confirms that well-planned infrastructure investments lead to greater price stability and a more resilient energy sector. The U.S. should be accelerating, not hindering, these investments.

Short-Run vs. Long-Run Impacts on Domestic Prices

Critics of LNG exports often confuse short-term price fluctuations with long-term market trends. This is a mistake. Medlock underscores that “analysis that claims overly negative domestic price impacts due to exports tend to miss the distinction between short-run and long-run elasticity.”

Short-term price shifts are inevitable, driven by seasonal demand and supply disruptions. But long-term trends tell a different story: as infrastructure improves and production expands, markets adjust, and price impacts moderate. McKinsey analysis suggests supply elasticity increases as producers respond to price signals. Policy decisions should be grounded in this broader economic reality, not reactionary fears about temporary price movements.

Assessing the Emissions Debate

The argument that restricting U.S. LNG exports will lower global emissions is fundamentally flawed. In fact, the opposite is true. Medlock warns against “engineering scenarios that violate basic economic principles to induce particular impacts.” He emphasizes that evaluating emissions must be done holistically. “Constraining U.S. LNG exports will likely mean Asian countries will continue to turn to coal for power system balance,” a move that would significantly increase global emissions.

McKinsey’s research reinforces that, on a lifecycle basis, U.S. LNG produces fewer emissions than coal. That said, there is room for improvement, and efforts should focus on minimizing methane leakage and optimizing gas production efficiency.

However, the broader point remains: restricting LNG on environmental grounds ignores the global energy trade-offs at play. A rational approach would address emissions concerns while still recognizing the role of LNG in the global energy system.

The DOE’s Commonwealth LNG Authorization

The Department of Energy’s recent conditional approval of the Commonwealth LNG project is a step in the right direction. It signals that economic growth, energy security, and market demand remain key considerations in regulatory decisions. Medlock’s analysis makes it clear that LNG exports will be driven by market forces, and McKinsey’s projections show that global demand for flexible, reliable LNG is only increasing.

The U.S. should not limit itself with restrictive policies when the rest of the world is demanding more LNG. This is an opportunity to strengthen our position as a global energy leader, create jobs, and ensure long-term energy security.

Conclusion

The U.S. LNG debate must move beyond fear-driven narratives and focus on reality. The facts are clear: LNG exports strengthen energy security, drive economic growth, and reduce global emissions by displacing coal.

Instead of restrictive policies that limit LNG’s potential, the U.S. should focus on expanding infrastructure, maintaining market flexibility, and supporting innovation to further reduce emissions. The energy transition will be shaped by market realities, not unrealistic expectations.

The U.S. has an opportunity to lead. But leadership requires embracing economic logic, investing in infrastructure, and ensuring our policies are guided by facts, not political expediency. LNG is a critical part of the global energy landscape, and it’s time to recognize its long-term strategic value.

------------

Scott Nyquist is a senior advisor at McKinsey & Company and vice chairman, Houston Energy Transition Initiative of the Greater Houston Partnership. The views expressed herein are Nyquist's own and not those of McKinsey & Company or of the Greater Houston Partnership. This article originally appeared on LinkedIn.