News

Research

Three student fellows give a presentation in a room with ocean murals. One fellow speaks and gestures in front of a monitor displaying a slide about their coral research titled "Our Thoughts on Working with Dr. Houk & Team," while audience members listen in the foreground.

1 Island, 1 Future: Inside the UOG CIS and Sea Grant REEF program, building capacity in our students

Three undergraduate students, Angelie Donguines, Ale’a Duenas, and Dominic Torres participated in the University of Guam Center for Island Sustainability and Sea Grant’s Research Education and Extensive Fellowship (REEF) program in Dr. Peter Houk’s lab at the University of Guam Marine Laboratory. Through hands-on projects involving coral skeleton identification, benthic image analysis, and contributing to regional datasets, the interns worked with the Micronesia Coral Reef Monitoring (MCRM) program and learned how to use scientific data and technology to support the protection and monitoring of coral reef ecosystems.

Marine biologist Mafalda Gentil Martins Seiz de Freitas speaks at the 17th Conference on Island Sustainability.

CIS2026 Friday: Rethinking ocean waste in the Pacific

At the 17th Conference on Island Sustainability, marine biologist Mafalda Gentil Martins Seiz de Freitas delivered a presentation grounded in urgency and innovation, drawing directly from her work addressing marine debris across the Pacific.

William Castillo, wearing a red floral aloha shirt and a lei, speaks into a microphone behind a tropical-themed podium at the 17th UOG Conference on Island Sustainability.

CIS2026 FRIDAY: Featured speaker at sustainability conference turns waste into opportunity

“And I think a lot of us, across island communities, are standing in that same proverbial space, surrounded by opportunity, but calling it waste.”

That reflection from William Castillo anchored his presentation at the 17th UOG Conference on Island Sustainability, where he was featured as a speaker sharing perspectives on value-added agriculture and economic resilience for island communities. Castillo is an associate professor and director of workforce development at Leeward Community College, where he leads initiatives that link education, workforce training, and entrepreneurship.

Picture of UOG CIS member planting endangered plant.

UOG brings critically endangered håyun lågu back to the wild

The University of Guam Center for Island Sustainability & Sea Grant (UOG CIS & Sea Grant) Natural Resources division, alongside the Guam Preservation Trust (GPT) and the U.S. Fish & Wildlife Service (USFWS), hosted an outplanting event at the Atantåno Heritage Preserve in the village of Santa Rita.

UOG introduces 2026 REEF fellows and G3 Circular Economy interns

UOG introduces 2026 REEF fellows and G3 Circular Economy interns

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) has announced six students selected for the 2026 Research, Education and Extension Fellowship (REEF) and Guam Green Growth (G3) Circular Economy Internship. Over the coming months, these students will bridge the gap between classroom theory and hands-on practice, gaining professional experience in fields ranging from coral reef ecology to the island’s circular economy.

UOG Interns Showcase Innovation in Sustainability at Green Growth Hub

Two University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) interns concluded their terms at the Guam Green Growth Circular Economy Makerspace and Innovation Hub with presentations highlighting innovative approaches to sustainability and environmental stewardship.

UOG researcher presents Guam’s bat conservation efforts at international seminar in Belgium

University of Guam Center for Island Sustainability and Sea Grant associate director for natural resources Else Demeulenaere, Ph.D., represented Guam at a prestigious international seminar on bat conservation at UCLouvain in Belgium, where researchers from across the Indo-Pacific region gathered to discuss the critical intersection of indigenous knowledge and species protection.

UOG’s new REEF program opens sustainability opportunities beyond science majors

Focusing on an interdisciplinary approach to sustainability, the University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) has launched an undergraduate internship program that expands opportunities for participants from non-STEM (science, technology, engineering, and mathematics) disciplines.

UOG unveils 2024 CIS & Sea Grant Impact Book, showcasing project progress and over 33x ROI on local funds

The University of Guam’s Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) program today announced the release of its 2024 Impact Book, chronicling a year of significant progress in sustainable development. The report highlights major initiatives including record breaking progress in the Sea Turtle Management program, Guihan for Guahan, the Guam Restoration of Watersheds (GROW) and more.

G3CC Dives into Fisheries Management at Week-Long Workshop

The Guam Green Growth Conservation Corps (G3CC) went fishing for new skills with the experts from the University of Guam Center for Island Sustainabilty & Sea Grant (UOG CIS & Sea Grant), diving into the biological and cultural aspects of sustainable fisheries.

G3CC catches snakes and new skills at invasive species training

The Guam Green Growth Conservation Crops (G3CC) went scouting for snakes with the National Park Service and community group, Friends of Islan Dåno, learning how to track, capture and dispose of invasive brown tree snakes that have slithered throughout Guam.

UOG’s Taylor dives deep with new rabbitfish book

The University of Guam (UOG) is proud to announce the release of Biology of Rabbitfishes, a comprehensive volume exploring the evolutionary history, ecological roles, and economic significance of rabbitfishes (family Siganidae).

UOG’s Shelton profiled for SDG leadership by UN initiative

The American Leadership on the SDGs, a United Nations initiative, has featured University of Guam Center for Island Sustainability and Sea Grant Director Austin Shelton, Ph.D., for his work in advancing the 17 UN Sustainable Development Goals.

Guam Green Growth Conservation Corps assists with sea turtle monitoring program

The Guam Green Growth (G3) Conservation Corps spent a week in the field immersed in vital conservation work alongside the University of Guam (UOG) Center for Island Sustainability and Sea Grant’s dedicated Sea Turtle Monitoring team. Corps members received invaluable hands-on training and education focused on the preservation of Guam’s native sea turtle populations and their crucial nesting habitats.

Students board the Nautilus vessel before Marianas Trench expedition

Students from the University of Guam’s (UOG) National Science Foundation Inclusion across the Nation of Communities of Learners of Underrepresented Discoverers in Engineering and Science (INCLUDES), Navigating Home and Established Program to Stimulate Competitive Research (EPSCoR) programs recently embarked on an extraordinary journey of scientific discovery, touring the state-of-the-art research vessel, Nautilus Live. This unique opportunity provided future island scientists with an invaluable firsthand look into cutting-edge ocean exploration and research.

Guam Green Growth Conservation Corps learns about the waste system on Guam

Members of the University of Guam’s Guam Green Growth Conservation Corps (G3CC) recently dedicated an intensive week to understanding the complexities of waste management on the island, collaborating with industry leader Guahan Waste Control. This immersive experience is a critical component of the G3 Conservation Corps program, which aims to cultivate the next generation of environmental leaders and a skilled workforce for Guam’s emerging green economy.

UOG opens applications for summer math programs

The University of Guam (UOG) has exciting summer research opportunities for undergraduate and graduate students passionate about mathematics through two distinct programs supported by the National Science Foundation Established Program to Stimulate Competitive Research (Guam NSF EPSCoR). Applications are now being accepted for both the Summer Math Research Assistant and the Summer Math Research Experience programs.

G3 regional partner CNMI Green Growth reports food security initiatives at CIS2025

Leveraging regional partnerships with the Guam Green Growth (G3) initiative along with local knowledge and innovation, the CNMI Green Growth—one of the latest members of the expanding Green Growth movement across Micronesia—has outlined its accomplishments at the first Green Growth Summit, including initiatives to promote regenerative agriculture and agroforestry to enhance food security.

UOG Student Researcher presents innovative solution for vape battery waste at G3 Makerspace Science Café

Carlo Tapia, a student intern researcher with the University of Guam Center for Island Sustainability and Sea Grant (UOG CIS and SG), recently presented his research on converting used vape batteries into functional power bank chargers at a Guam Green Growth (G3) Makerspace Science Café event. The presentation highlighted a potential solution to the growing problem of electronic waste, particularly the disposal of vape batteries, which contain hazardous materials.

UOG workshop reveals findings on tackling crown-of-thorns outbreaks

Insights into reproductive trends, predation patterns, and climatic triggers observed prior to a crown-of-thorns (COTS) outbreak are crucial for developing effective mitigation strategies to protect coral reefs, according to Ciemon Caballes, Ph.D., a senior research associate at the University of Guam’s NSF EPSCoR and assistant professor at the UOG Marine Lab.

UOG to host free fisheries community science workshop

An upcoming workshop organized by the University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & SG) will enable the local fishing community to learn how to become community scientists by contributing data about their local catch.

G3 Local2030 Islands Network Corps learn land conservation methods

The Guam Green Growth Local2030 Islands Network Conservation Corps (G3LIONCC) recently wrapped up a training module with the University of Guam’s Center for Island Sustainability and Sea Grant (UOG CIS and SG) Natural Resources team, working to safeguard Guam’s endangered plant species. This development effort aims to bolster research and conservation efforts for these delicate and vital components of Guam’s unique ecosystem.

UOG students win awards and shine at SACNAS NDiSTEM Conference

University of Guam (UOG) student researchers made a strong showing at the 2024 Society for the Advancement of Chicanos and Native Americans in Science (SACNAS) National Diversity in STEM (NDiSTEM) Conference, held in Phoenix, Arizona; bringing together thousands of scientists, engineers, and students from across the nation.

UOG student selected for prestigious Knauss Fellowship

University of Guam (UOG) student Garret O’Donnell has been selected for the highly competitive Knauss Marine Policy Fellowship from the National Oceanic and Atmospheric Administration (NOAA) and the National Sea Grant College Program.

Demeulenaere makes waves at botany congress in Spain

Associate Director for Natural Resources at the University of Guam Center for Island Sustainability and Sea Grant Else Demeulenaere, delivered a captivating presentation at the XX International Botanical Congress, held in Madrid, Spain.

Extension

UOG plants over 1200 trees at first GROW in Malojloj event of the year

The University of Guam’s Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant), in collaboration with the Guam Restoration of Watersheds (GROW) Initiative, successfully hosted a community tree planting event this past Saturday, August 2, at the Ugum Watershed project site in Malojloj. The event marked the official start of the year’s planting season, drawing volunteers dedicated to protecting Guam’s natural resources from ridge to reef.

G3CC marches toward sustainability at 81st Liberation Day Parade

The Guam Green Growth Conservation Corps (G3CC) and the G3 GROW Corps worked together with the Governor’s Office and iRecycle to bolster recycling efforts at the 81st Guam Liberation Day Parade with the mission of keeping aluminum cans out of the landfill.

Guam Green Growth reports regional and local initiatives at July meeting

At the July Guam Green Growth (G3) Steering Committee meeting, members highlighted progress toward the 17 U.N. Sustainable Development Goals—both locally and regionally—including the launch of a new Green Growth hub in Micronesia and a watershed restoration workforce initiative that expands the G3 Conservation Corps.

Mendiola ready to make sustainable impact after term as UOG CIS and Sea Grant intern

Zachary Mendiola, a dedicated student intern from the University of Guam Center for Island Sustainability and Sea Grant, has spent the past five months making a significant impact at the Guam Green Growth (G3) Circular Economy Makerspace and Innovation Hub. His transformative experience at the cutting-edge facility has not only honed his skills in sustainable practices but also solidified his passion for environmental stewardship on Guam.

UOG and Guam DoAg host CNMI reps for State Wildlife Action Plan workshop

The University of Guam Center for Island Sustainability and Sea Grant’s Island Conservation Lab (UOG CIS & Sea Grant ICL) and the Guam Department of Agriculture Division of Aquatic and Wildlife Resources (DAWR) hosted representatives from the CNMI Department of Fish and Wildlife (CNMI DFW) for a two-day workshop on the Guam and CNMI State Wildlife Action Plans (SWAP).

Guam Green Growth continues support and partnership with Guam Unique Merchandise & Art program

Entrepreneurs participating in the Guam Unique Merchandise and Art (GUMA) training program received an insightful presentation today from the Guam Green Growth (G3) Circular Economy Makerspace and Innovation Hub team. The session, a long-standing component of the GUMA curriculum, highlighted the principles of the circular economy and the opportunities it presents for local artisans and businesses.

UOG introduces 5th G3 Conservation Corps

The University of Guam (UOG) has announced 12 new participants for the Guam Green Growth (G3) Kupu Conservation Corps, marking its expansion into a six-month program that offers enhanced training and benefits.

University of Guam opens CHalan Deskubre Hub, bringing place-based science to youth

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & SG) officially launched the CHalan Deskubre Hub, an interactive science learning center designed to ignite curiosity and foster a love for STEM (Science, Technology, Engineering, and Mathematics) in Guam’s youth. The hub, located at Dean Circle, above the post office at the UOG campus, brings the colorful and engaging pages of the popular place-based children’s magazine, CHalan Deskubre, to life.

UOG’s Guam Green Growth Makerspace celebrates CHamoru Month with cultural workshops

The University of Guam’s Guam Green Growth (G3) Circular Economy Makerspace and Innovation Hub is set to host a series of workshops throughout March in celebration of CHamoru Month. These workshops offer a unique opportunity for the community to engage with traditional CHamoru crafts and practices, promoting both cultural preservation and sustainable living.

UOG innovates for new conservation funding strategies, seeks community input

Guam’s green economy continues to grow with innovations by the University of Guam. As part of its Guam Restoration of Watersheds (GROW) Initiative, the UOG Center for Island Sustainability and Sea Grant (UOG CIS&SG) is seeking Gold Standard Carbon Credit Certification for its tree planting efforts in southern Guam.

UOG seeking input for Guam State Wildlife Action Plan

The University of Guam Center for Island Sustainability & Sea Grant (UOG CIS & SG) and the Guam Department of Agriculture are seeking input for the Guam State Wildlife Action Plan (Guam SWAP).

UOG and Mactech to hold two-day computer repair workshop

The University of Guam’s Guam Green Growth (G3) Circular Economy Makerspace and Innovation Hub will partner with MacTech Guam to host a computer repair workshop. The event aimed to equip participants with the skills and knowledge to repair and maintain their own computers, promoting sustainability and reducing electronic waste.

Guam Green Growth Conservation Corps now recruiting for fifth season

The University of Guam’s Guam Green Growth Conservation Corps (G3CC) is now accepting applications for its upcoming fifth season. This five-month program provides twelve adults with valuable hands-on experience in environmental conservation and sustainability to develop the workforce for the emerging green economy.

UOG CIS and Sea Grant Guam unveil 2025 Tide Chart and Guam Grower’s Calendars

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & SG) have unveiled the 2025 Tide Chart and Guam Grower’s Calendars. These resources provide information for the island community, and focus on sustainable fishing and agriculture, as means to address food security on the island.

UOG to host free fisheries community science workshop

An upcoming workshop organized by the University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & SG) will enable the local fishing community to learn how to become community scientists by contributing data about their local catch.

GROWING Guam’s Future: Community Rallies for Watershed Restoration

The Guam Restoration of Watersheds (GROW) initiative has been making significant strides in revitalizing the island’s natural environment through a series of community tree planting events. These events, which have drawn volunteers of all ages, aim to restore degraded watersheds and protect Guam’s precious marine ecosystems.

UOG opens recruitment for NSF Navigating Home fellowship

The University of Guam (UOG) has officially opened recruitment for the National Science Foundation (NSF) Navigating Home Year-long Early Career Fellowship. This exciting opportunity aims to attract and retain talented individuals who are pursuing their masters or doctorate degrees who may have moved off Guam, and are ready to return home.

Guam Green Growth Kupu Corps fellow completes Forestry internship

Guam Green Growth (G3) Kupu Corps fellow Elisa Padilla has wrapped up her term working alongside the Guam Department of Agriculture Forestry Division. Padilla continued her work in sustainability following a term in the G3 Conservation Corps.

UOG and partners start Sustainable September with proclamation signing

With only six more years remaining until 2030, the target year for achieving the United Nations’ 17 Sustainable Development Goals (SDGs), the University of Guam Center for Island Sustainability and Sea Grant, along with Guam Green Growth and other multi-sectoral partners launched Sustainable September, a month-long commemoration promoting awareness of the SDGs.

GROW conducts youth outreach with Malesso summer students

The University of Guam’s Guam Restoration of Watersheds (GROW) initiative recently partnered with the Malesso Summer Camp for a reforestation training aimed at revitalizing the island’s natural resources and preventing further erosion and degradation of the Ugum watershed.

G3CC Recycles Its Way to a Greener Liberation Day

The University of Guam’s Guam Green Growth Conservation Corps (G3CC) brought environmental responsibility to the forefront of the 80th Guam Liberation Day Parade. This year’s festivities weren’t just a celebration of freedom, but also a promotion of a sustainable future through a territory-wide recycling effort.

Apply for our UOG CIS and Sea Grant Scicom Internship Now!

UOG CIS and Sea Grant have an internship available for you! We are looking for students ready for real world, real time development in the field of Science Communication! Photography, videography, writing, event staging and more are just some of the areas we will be working with you on! If you are interested, apply between now and Friday at midnight!

UOG Center for Island Sustainability & Sea Grant logo
National Oceanic & Atmospheric Administration logo

Contact Us 

303 University Drive

UOG Station

Mangilao, Guam 96913 

Phone: (671)735-5631 

 Email: cis@uog.edu  

seagrant@uog.edu    

©2026 University of Guam 

Sea Grant. All rights reserved.

UOG Center for Island Sustainability & Sea Grant logo
National Oceanic & Atmospheric Administration logo
303 University Drive UOG Station
Mangilao, Guam 96913 
Phone: (671)-735-5631 
 Email: cis@uog.edu  
seagrant@uog.edu   
Contact Us  
©2026 University of Guam 
Sea Grant.
All rights reserved.
National Oceanic & Atmospheric Administration logo
303 University Drive
UOG Station
Mangilao, Guam 96913 
Phone: (671)735-5631 
 Email: cis@uog.edu  
seagrant@uog.edu   
Contact Us  
©2026 University of Guam 
Sea Grant. All rights reserved.
Skip to content