H2O Talk: Water - Environment - Society

This podcast will focus on a variety of water resources related topics and the interrelationship of water to our environment and society. The Podcast will be hosted by Tom Bellinger, and Joe Lyons. Dr. Thomas Bellinger, a professionally certified hydrologist and professor has over 40 years in the water science field with the Department of Interior and is currently on the faculty at the University of Colorado - Denver and the Metropolitan State University of Denver. Joe Lyons is an experienced Hydraulic Engineer/Hydrologist who has worked in the water science field with the Department of Interior. Tom and Joe have bee colleagues and friends for over 38 years. Podcasts will touch on issues such as climate change, water use and distribution, ground and surface water, water law, rivers, glaciers, snow, wetlands, etc. The Podcast format will vary from a host to host discussion to a discussion the between the co-hosts and invited guests with expertise on a variety of topics. Eventually, listeners may be invited to call in with questions. The podcast will run 25-40 minutes on a bi-weekly basis. Note that season one was a pilot season with Tom Bellinger as host. Season two began the co-hosting format with Tom Bellinger and Tom Cech. The third season in 2024 was be co-hosted by the ”two Toms” and Greg. Our 4th Season, starting in January 2025 will be hosted by Tom Bellinger, Joe Lyons with a variety of new topics on water. Stay Tuned! The co-hosts can be contacted through email at h2otalkpodcast@aol.com.

Programming Notes:

Joe Lyons is now a permanent co-host starting in Season 4.  Tom Cech will be departing the podcast due to a heavy schedule.  However from time to time Tom Cech and Greg Dewey may join in as guest hosts or as guests.  We miss them both!

 

Episodes

Jun 30, 2026

16 min

This episode will feature Tom Bellinger discussing the recent move by the current administration to dismantle the ocean buoy monitoring system that we depend on for tracing Climate Change, weather, etc.
The good news is that this decision was rescinded and the ocean buoy system will remain in place!!  Yay!!  Tom will discuss this event in terms of the importance of maintaining a variety of data collection systems such as river flow, water quality, and weather.
Joe will be back in the near futre, so stay tuned for upcoming episodes!

Jun 30, 2026

16 min

Apr 26, 2026

46 min

Today's episode will focus on our future.  Tom and Joe will be interviewing three graduate students studying environmental science at the University of Colorado - Denver.  The students, Jack, Tommy, and Chris are part of Tom Bellinger's Environmental Hydrology class -- each is working towards advanced degrees (Masters/Doctorate).
These students are our future - and Joe and Tom hope that the conversation will also give our listeners hope towards the future state of our planet's environmental resources!

Apr 26, 2026

46 min

Mar 15, 2026

35 min

In this episode Tom and Joe discuss the dry conditions on the high plains and in the Rocky Mountains in the Great State of Colorado.  Essentially, Colorado has been without a winter this year - what do we do about it?  Concerns, adaptive management, etc. will be discussed.
Tune in and enjoy!

Mar 15, 2026

35 min

Feb 15, 2026

31 min

This episode will explore the legacy of an often unknown man - Ralph Parshall who invented the Parshall Flume, a practical water measuring device that was a keystone to water management in Colorado, the US, and now all over the world.  This device changed how we measured and allocated water among many stakeholders.
Both Tom and Joe are in the process of writing a biography of Professor Parshall and his lifelong accomplishments.  He was a fascinating engineer who lived life to the fullest and garnered respect across the engineering world.
Tune in and hear more about Ralph Parshall - you may see one of his "plumes" and never know it until you hear this episode!

Feb 15, 2026

31 min

Jan 13, 2026

26 min

This episode will complete our 4 part series on data centers.  Tom and Joe will wrap up the discussion on these facilities with regard to our power grid and the stresses they will likely place upon it.
This will end Season 4 of the Podcast.  Stay tuned for our Season 5 opener!

Jan 13, 2026

26 min

Dec 28, 2025

33 min

This episode will feature a continuation of Tom and Joe's conversation with Amy Mendelson Cheeley a local activist about a data center being planned near her home.  The first half of this conversation is in Episode 2 of this series.
Amy is an active citizen in her community in Virginia.  She has been involved in various projects both planning and environmental for over two decades.  She is a great example of how one can pay back their community by being involved in both routine and high stake projects.  She is also a local artist.
This episode will wrap up our conversation with Amy and will be followed by one more episode, wrapping up this series.

Dec 28, 2025

33 min

Dec 21, 2025

28 min

This is Part 2 of our 4 part series and Data Center development.
We are pleased to have a conversation with an activist/artist in Virginia where Data Centers are proliferating...in an an area nicknamed "Data Alley".  
Amy Mendelson Cheeley lives in a rural area that is in Data Alley.  There is a proposed center being planned for construction across the street from her home.  This is the proposed Hunting Hawk Technology Park.
Amy, who has been active with various planning/community projects over the past 2 decades has been on the opposing side of this project.  Community concerns range from changing the character of this beautiful area, to groundwater supplies, noise, traffic, etc.  Amy will give us the activist/citizen view of the value and impacts of this project.

Dec 21, 2025

28 min

Dec 21, 2025

35 min

This episode will be the first of four - all focused on Data Centers, which are large facilities springing up all over the world.  Data centers support Internet, Artificial Intelligence, and other computer/cloud based functions.  They have a good and bad side both for society and the environment.
Part 1 will focus on an overview of Data Centers and what they are and why they exist.  The Part 2 in this series will contain an interview with a community activist that lives near a proposed Data Center on Virginia.  Part 3 will be a continuation of our activist conversation, and the final part (4) will cover Data Centers, the power grid and other natural resources involved.
Apology -- this episode was to air 3 weeks ago and due to some glitch, never posted.  Part 1 (this episode) will be posted on December 21 along with Part 2.  Part 3 will be posted on December 28.  The fourth and final part will be posted in early 2026.
Happy holidays to our listeners!

Dec 21, 2025

35 min

Nov 9, 2025

32 min

This week Tom and Joe discuss a learning experience Joe had on a recent visit to Ireland.  This involved sphagnum moss - a natural resource often unknown to the general public.  This is followed by a brief discussion of data centers and the environment.  Data Centers will be discussed in more detail on an upcoming episode.
We apologize for some audio glitches in this recording - something to correct in upcoming shows.
Enjoy!

Nov 9, 2025

32 min

Sep 23, 2025

33 min

In this episode, Tom Bellinger, doing a solo broadcast, will revisit the subject of threats and solutions to our ocean concerns based on a recent publication. 
Joe will be back next time (he is vacationing in Ireland) with Tom on another thought provoking podcast episode.  Stay tuned!!

Sep 23, 2025

33 min

Dr. Thomas R. Bellinger, PH

Dr. Thomas (Tom) R. Bellinger is a certified Professional Hydrologist (Emeritus) through the American Institute of Hydrology. He was formerly a Visiting Professor and is currently an Adjunct Professor of Environmental Science at the Metropolitan State University of Denver (MSU Denver) in the Earth and Atmospheric Sciences (EAS) and Engineering and Engineering Technology (EAET) Departments. He teaches Environmental Science, Planning, Environmental Policy, Water Resources, Snow Hydrology, Water Law, Engineered Water, Environmental Policy and Planning, and a Senior Design Project class. He is also a member of the Industry Advisory Board for the EAET Department.

Tom retired as Principal Hydrologist with the Department of Interior Bureau of Reclamation. Prior to this position, he served as a hydrologist/ Branch Chief of Refuge Hydrology for the U.S. Fish and Wildlife Service.

Since retiring, Tom has remained active in the water resources community.  He currently serves as a Technical Advisor (Hydrology) with the Department of Interior/USAID International Technical Assistance Program (ITAP). He was a team member working with the Lao PDR government in the Mekong River Valley.  

Tom is Past President/ Board Member of NecroSearch International (NSI) a non-profit multi-disciplinary forensic group that assists law enforcement on cases with a focus on the location of clandestine evidence and graves. He currently serves as a hydrologist with NSI.  His specialty is in hydrologic forensic analysis.  Tom is an Affiliate with the Organization of Scientific Area Committees for Forensic Science (OSAC) and is a member of the newly formed Aquatic Scene Processing Standards Task Group.

Tom is a former member of the Metro Basin Roundtable, a collaborative team assisted in developing the Colorado State Water Plan.  He recently retired from  the Board of Directors (3 terms) for the Metro Waster Recovery District, an entity serving nearly 2 million wastewater customers in the Denver Area.   Tom also recently retired from the Board of Directors for the Bancroft-Clover Water and Sanitation District in Lakewood, CO (2 terms), which serves over 65,000 customers.

Tom holds a B.S. (Resources Management/Environmental Science) from the State University of New York, College of Environmental Science and Forestry (SUNY ESF)/Syracuse University and M.S. (Hydrologic Sciences/Forest Influences) degrees from SUNY ESF.  He holds a doctorate in Organizational Management /Leadership from the University of Phoenix with an emphasis/ dissertation on collaborative processes in the water resources field.  Tom has authored a variety of journal articles, research papers, and government reports on several aspects of the water sciences.

A “mustang” naval officer, Tom served in both the enlisted and officer ranks of the US Navy retiring at the rank of Lieutenant Commander. He specialized in the analysis of operational intelligence.

Tom is an emeritus member of the American Institute of Hydrology, and a current member of the American Geophysical Union and the Explorers Club (National Fellow). 

One of Tom’s passions is music – he is a mandolinist with the Denver Mandolin Orchestra, played bass and mandolin for the Bluegrass Bandwagon, and mandolin/fiddle for various local jam bands. Tom also played bagpipes with Michael Collins Pipes and Drums. Tom and his wife Anita reside in Colorado.

 

Joe Lyons

Joe Lyons is an experienced hydrologist/hydraulic engineer with over 30 years experience.  A graduate of Colorado State University and the Oregon State University Joe's career has covered several years with the Department of the Interior (Bureau of Reclamation and the US Fish and Wildlife Service).

Joe is joined the Podcast in Season 4.

Mr. Tom Cech, MCRP

Tom Cech is an experienced water resources professional with over 40 years of experience. Tom was born and raised on a farm near Clarkson, Nebraska, graduated from Kearney State College with a Bachelor of Science Degree in Math Education, and later received a Master’s degree in Community and Regional Planning (MCRP) from the University of Nebraska –Lincoln. He was Executive Director of the Central Colorado Water Conservancy District in Greeley, taught water undergraduate and graduate level water resources courses at the University of Northern Colorado and Colorado State University, and is the founding Director of the One World One Water (OWOW) Center at Metropolitan State University of Denver.

Tom has and continues to author a variety of books.  He authored “Principles of Water Resources: History, Development, Management and Policy,” published by John Wiley & Sons - currently in its 4th edition and translated into Portuguese. Tom also recently published “Introduction to Water Resources and Environmental Issues,” (co-author Dr. Karrie Pennington) with Cambridge University Press and translated into Arabic, and “Colorado Water Law for Non-Lawyers,” (co-author P. Andrew Jones) with the University Press of Colorado. He has also completed histories of the Colorado Water Conservation Board and the Colorado State Engineer’s Office with Bill McDonald and Dick Stenzel, respectively.  Tom is currently co-authoring a book and big data and water.

Tom is semi-retired – and continues to remain active in water and environmental resources.  He resides in Colorado.

Greg Dewey, PE

Greg Dewey PE, is an experienced engineer and water manager who has worked for the the federal government (Bureau of Reclamation), as a consultant, and for the City of Loveland, CO.  Greg is currently an engineer with Northern Water, a key water purveyor in northeastern Colorado.

Greg joined the Podcast in seasons 2 and 3 and will be an occasional guest/collaborator in the future.

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