young hero

Houston-area teen wins prestigious award for sustainable gardening initiative

A Pearland student's hydroponic gardening nonprofit is increasing sustainability efforts at local schools. Photo via Getty Images

At only 16 years old, Pearland student Rahul Vijayan has been named a winner of a prestigious award.

The 2023 Gloria Barron Prize for Young Heroes recognizes 25 young leaders "who have made a significant positive impact on people, their communities, and the environment," reads the news release. Additionally, 15 of the top winners each receive $10,000 toward their education or service work.

Vijayan created Farm to Tray, a nonprofit that equips schools with hydroponic gardening systems, which can grow fresh produce for school lunch programs. Since he started his initiative, he has distributed over 150 hydroponic grow kits to 23 schools across five districts.

“I want to influence and improve children’s day-to-day lives,” says Rahul. “Farm to Tray is allowing me to do that and make a tangible impact for thousands of students.”

Rahul Vijayan created Farm to Tray, a nonprofit that equips schools with hydroponic gardening systems. Photo courtesy of Barron Prize

In addition to working with programs from AP Environmental Science courses to elementary school classrooms, Vijayan is also collaborating with Houston Methodist to help set up healing gardens for cancer patients. His kits provide education about sustainable agriculture, while also introducing healthier food options, like peppers, tomatoes, microgreens, and lettuces.

After initially being inspired by the sustainability of hydroponic gardening, Vijayan reached out to Houston-based Moonflower Farms, which provides the grow kits for the program. Now, he has a team of 15 student volunteers and has received grants from Earth Force and Jane Goodall’s Roots & Shoots.

“Nothing is more inspiring than stories about heroic people who have truly made a difference to the world,” says T. A. Barron. “And we need our heroes today more than ever. Not celebrities, but heroes – people whose character can inspire us all. That is the purpose of the Barron Prize: to shine the spotlight on these amazing young people so that their stories will inspire others.”

Founded in 2001 by author T. A. Barron and named for his mother, Gloria Barron, the Barron Prize has honored more than 500 young people across America.

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A View From HETI

A team from UH has published two breakthrough studies that could help cut costs and boost efficiency in carbon capture. Photo courtesy UH.

A team of researchers at the University of Houston has made two breakthroughs in addressing climate change and potentially reducing the cost of capturing harmful emissions from power plants.

Led by Professor Mim Rahimi at UH’s Cullen College of Engineering, the team released two significant publications that made significant strides relating to carbon capture processes. The first, published in Nature Communications, introduced a membraneless electrochemical process that cuts energy requirements and costs for amine-based carbon dioxide capture during the acid gas sweetening process. Another, featured on the cover of ES&T Engineering, demonstrated a vanadium redox flow system capable of both capturing carbon and storing renewable energy.

“These publications reflect our group’s commitment to fundamental electrochemical innovation and real-world applicability,” Rahimi said in a news release. “From membraneless systems to scalable flow systems, we’re charting pathways to decarbonize hard-to-abate sectors and support the transition to a low-carbon economy.”

According to the researchers, the “A Membraneless Electrochemically Mediated Amine Regeneration for Carbon Capture” research paper marked the beginning of the team’s first focus. The research examined the replacement of costly ion-exchange membranes with gas diffusion electrodes. They found that the membranes were the most expensive part of the system, and they were also a major cause of performance issues and high maintenance costs.

The researchers achieved more than 90 percent CO2 removal (nearly 50 percent more than traditional approaches) by engineering the gas diffusion electrodes. According to PhD student and co-author of the paper Ahmad Hassan, the capture costs approximately $70 per metric ton of CO2, which is competitive with other innovative scrubbing techniques.

“By removing the membrane and the associated hardware, we’ve streamlined the EMAR workflow and dramatically cut energy use,” Hassan said in the news release. “This opens the door to retrofitting existing industrial exhaust systems with a compact, low-cost carbon capture module.”

The second breakthrough, published by PhD student Mohsen Afshari, displayed a reversible flow battery architecture that absorbs CO2 during charging and releases it upon discharge. The results suggested that the technology could potentially provide carbon removal and grid balancing when used with intermittent renewables, such as solar or wind power.

“Integrating carbon capture directly into a redox flow battery lets us tackle two challenges in one device,” Afshari said in the release. “Our front-cover feature highlights its potential to smooth out renewable generation while sequestering CO2.”

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