News

Research

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.

From ocean literacy to reef to ridge: UOG introduces new Sea Grant research

The University of Guam Center for Island Sustainability and Sea Grant announced this month the recipients of the 2024-2026 UOG Sea Grant Competitive Research Funding. The grants support research projects addressing critical challenges facing Micronesia’s coastal ecosystems, communities, and economies.

UOG Sea Grant Continues Critical Sea Turtle Conservation Efforts

The University of Guam Sea Grant program continues to make progress in protecting and understanding Guam’s endangered sea turtle population. Since 2018, Sea Grant entered into a Cooperative Agreement with NAVFAC Marianas to monitor nesting beaches on Andersen AFB. This collaboration has added years of meaningful research and conservation efforts, while remaining dedicated to preserving the native species of the Marianas, the Green and Hawksbill Sea Turtles.   

Extension

Austin Shelton, Ph.D., wearing a yellow shirt and lei, speaks into a microphone on stage during the 17th UOG Conference on Island Sustainability.

CIS2026 THURSDAY: Investing in sustainability yields 30x return for Guam Green Growth

With approximately $1 million in annual local funding, the Guam Green Growth (G3) initiative generated more than $30 million in external funding last year—an over 30-fold return that underscores the value of investing in sustainability programs, according to UOG Center for Island Sustainability and Sea Grant Director Austin Shelton, Ph.D.

Sabrina Suluai-Mahuka speaks at the 17th UOG Conference on Island Sustainability.

CIS2026 THURSDAY: Educators call for reimagined prosperity rooted in Pacific Futures at Sustainability Conference

“Because for us in the Pacific, resilience is not a trend,” said Sabrina Suluai-Mahuka, Ph.D., founder and executive director of Finafinau, one of two educators at the forefront of Pacific scholarship and advocacy who served as featured speakers, framing the emotional and political weight of island resilience in the face of ongoing environmental and social challenges.

Gov. Lou Leon Guerrero, Lt. Gov. Josh Tenorio, and Francois Rogers hold signed documents at the 17th UOG Conference on Island Sustainability.

CIS2026 THURSDAY: Guam reaffirms 100% renewable energy commitment

Gov. Lou Leon Guerrero, Lt. Gov. Josh Tenorio, and Blue Planet Alliance Executive Director Francois Rogers sign a document reaffirming Guam’s commitment to the 100×100 renewable energy campaign during the 17th Conference on Island Sustainability on Thursday.

Speakers and community members pose with awards on stage during the CIS2026 SEED Talks at the 17th UOG Conference on Island Sustainability.

CIS2026 WEDNESDAY: Personal stories driving sustainability, community and action at SEED Talks

Stories—not just systems and statistics—defined the CIS2026 SEED Talks, where voices from across the island community transformed personal journeys into powerful calls for change. Framed as “ideas worth cultivating,” the speaker series invited participants to move beyond data and into lived experience, weaving together narratives of loss, identity, resilience, and hope. In an intimate, TED-style setting, each speaker offered a glimpse into how their own paths, shaped by culture, community, and connection to land and sea—continue to inform their work.

Leaders and representatives from Green Growth movements across Micronesia and Hawaiʻi pose with a signed document at the 17th UOG Conference on Island Sustainability.

CIS2026 WEDNESDAY: Green Growth movement strengthens island collaboration, G3 welcomes Todu Guam as new partner

At the 17th University of Guam Conference on Island Sustainability (CIS2026), leaders and representatives from across Micronesia and Hawaiʻi gathered for a Green Growth session sharing the progress, partnerships, and shared vision driving sustainability efforts across island communities. The discussion illustrated how these initiatives are advancing solutions rooted in both traditional knowledge and modern innovation.

Second annual UOG Fish Fest celebrates sustainability, science, and culture

Second annual UOG Fish Fest celebrates sustainability, science, and culture

From ancient fishing traditions and modern marine science to a fish kelaguen competition, the second annual Fish Fest —organized by the University of Guam Center for Island Sustainability and Sea Grant —returned this month, continuing its mission to promote sustainable fishing and food security.

UOG’s G3 GROW Corps named among the nation’s top public service innovations

UOG’s G3 GROW Corps named among the nation’s top public service innovations

The Guam Green Growth (G3) Guam Restoration of Watersheds (GROW) Corps, facilitated by the University of Guam Center for Island Sustainability and Sea Grant, has been named to 50 States, 50 Breakthroughs, a national showcase highlighting transformative public service initiatives across the United States and its territories. 

UOG’s Fish Fest to celebrate fisheries, research, and culture

UOG’s Fish Fest to celebrate fisheries, research, and culture

The University of Guam Center for Island Sustainability and Sea Grant’s Guihan for Guåhan (UOG CIS & Sea Grant) program are inviting the community to celebrate Guam’s rich fishing traditions and local seafood at Fish Fest 2026, set for Saturday, February 21, 2026 from 10 a.m. to 2 p.m. at the CHamoru Village in Hagåtña.

UOG announces extension of CIS2026 in partnership with NMC in Saipan

UOG announces extension of CIS2026 in partnership with NMC in Saipan

The University of Guam (UOG) has announced an extension of the 17th University of Guam Conference on Island Sustainability (CIS2026), expanding the event through April 26 with the addition of two days of programming in Saipan, further strengthening its partnership with Northern Marianas College (NMC).

UOG students recognized by the Guam Legislature for excellence at SACNAS Conference

The 17 University of Guam students who attended the Society for Advancement of Chicanos/Hispanics and Native Americans in Science (SACNAS) National Diversity in STEM (NDiSTEM) Conference received formal recognition from the Guam Legislature for representing the island at the national event.   The students participated in the conference as members of the Guam NSF EPSCoR, SEAS Islands Alliance and Navigating Home programs at UOG.

UOG recruiting members for the sixth season of the Guam Green Growth Conservation Corps

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) are happy to announce that applications are now open for the sixth season of the Guam Green Growth Conservation Corps (G3CC), continuing their robust workforce development plan that has graduated nearly 100 local workers who have developed skills for the emerging green economy.

Community rallies at “Our Ocean, Our Voice” workshop to provide comments on deep sea mining as final chance to submit comment approaches

Dozens of residents, students, scientists, and community leaders gathered at the Guam Museum in Hagåtña for Our Ocean, Our Voice: A Community Workshop for Comments on Deep Sea Mining, a collaborative event hosted by the Office of the Governor of Guam and Lt. Governor, and facilitated by the University of Guam Center for Island Sustainability and Sea Grant and Guam Green Growth aimed to support public engagement in a critical federal decision affecting the region’s marine environment.

UOG CIS and Sea Grant celebrate “Homecoming” at alumni mixer benefiting endowment fund

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) brought together dozens of sustainability professionals, partners, and supporters for a special “Homecoming”-themed alumni mixer in December at Capitol Kitchen, raising funds for the UOG Endowment Fund while strengthening the island’s network of environmental leaders.

UOG CIS & Sea Grant celebrate new Navigating Home fellows

For many island communities, pursuing higher education and scientific careers often means leaving home—and too often, not returning. The National Science Foundation (NSF) Navigating Home program was created to reverse that trend by building clear pathways for STEM professionals with Guam roots to return, reconnect, and apply their expertise where it is needed most.

UOG unveils cover and launches 2026 Tide Chart Calendar with shoreline catches in the spotlight

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) revealed the cover of its highly anticipated 2026 Tide Chart Calendar at a special event held at the Guam Green Growth Circular Economy Makerspace and Innovation Hub at CHamoru Village, marking another year of the publication that has become essential for island fishers and coastal enthusiasts.

GROW in Malojloj wraps up 2025 season with final tree-planting event

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) wrapped up its 2025 tree-planting season with the final GROW in Malojloj event, bringing together community volunteers for a morning of environmental restoration at the Ugum Watershed project site.

UOG students earn national recognition at 2025 SACNAS NDiSTEM Conference

The University of Guam strengthened its presence in STEM (Science Technology Engineering & Mathematics) at the 2025 Society for Advancement of Chicanos/Hispanics and Native Americans in Science (SACNAS) National Diversity in STEM (NDiSTEM) Conference, where three UOG students earned national recognition for their research presentations.

UOG CIS & Sea Grant postpones GROW In Malojloj planting event

The University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant) has announced that the GROW in Malojloj tree planting event, originally schedule for this coming Saturday, November 8, 2025 has been postponed until Saturday, November 22, 2025 at 8am.

UOG CIS & Sea Grant hosts Guam Habitat Conservation Plan town hall meetings

In partnership with the Guam Department of Agriculture’s (DOAG) Division of Aquatic & Wildlife Resources (DAWR), the University of Guam Center for Island Sustainability & Sea Grant (UOG CIS & Sea Grant) and ICF (a national leader in Habitat Conservation Plan consulting) held two public town hall meetings in Hågat and Dededo about the developing of the Guam Habitat Conservation Plan (HCP).

UOG and NMC partner on new Kupu Conservation Corps in Saipan to empower green workforce

The partnership between the University of Guam’s Guam Green Growth (G3) and the Commonwealth of the Northern Mariana Islands Green Growth Initiative (CNMI GG) celebrated a major milestone last week with the official launch of the CNMI Green Growth Kupu Conservation Corps in Saipan. This regional expansion brings a proven model of environmental workforce development to the CNMI, aiming to train a new generation of leaders for the Pacific green economy.

UOG’s G3 Makerspace hosts 3D printing workshop that connects goals with skills

The University of Guam’s Guam Green Growth Circular Economy Makerspace and Innovation Hub (G3 Makerspace) recently hosted a 3D Printing Workshop, offering the community hands-on experience with cutting-edge additive manufacturing technology. The event was a part of the G3 Sustainable September lineup, a month-long series dedicated to promoting environmental stewardship and achieving the United Nations Sustainable Development Goals (SDGs) on the island.

UOG plants endemic fadang at Atantåno Heritage Preserve 

The fadang, a cycad native to and only found in Micronesia, has found space in the Atantåno Heritage Preserve through an outplanting organized by the University of Guam Center for Island Sustainability and Sea Grant’s Island Conservation Lab (UOG CIS & Sea Grant’s ICL).

MCA, ACF and UOG CIS and Sea Grant announce teams and special ingredients for Maila Ta Fan Chesa event

The possibilities are abundant as the Micronesian Chef’s Association (MCA), the American Culinary Federation (ACF) and the University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & SG) officially announced the team members and special ingredient assignments for this year’s Maila Ta Fan Chesa event to be held next Thursday, September 17, at the Hyatt Regency Guam.

Micronesian Chefs’ Association’s Maila Ta Fan Chesa returns to celebrate local chefs and cuisine, welcomes American Culinary Federation and UOG for aquaculture spotlight

The Micronesian Chefs’ Association (MCA), in partnership with the American Culinary Federation (ACF) and the University of Guam Center for Island Sustainability and Sea Grant (UOG CIS & Sea Grant), is excited to announce the return of the Maila Ta Fan Chesa event on Wednesday, September 17, 2025, at the Hyatt Regency Guam.

G3 Makerspace kicks off plastic collection drive to refurbish school desks

The Guam Green Growth Circular Economy Makerspace and Innovation Hub (G3 Makerspace) has started a campaign to collect recyclable plastics in support of a new project to refurbish school desks. This initiative aims to provide a sustainable solution to a common problem in schools and address a significant challenge in waste management on island.

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 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