Green Dragon

Episodes

1. 22

   History Meets Sustainability

   What does history have to do with science and sustainability? In this episode, Bob Marietta talks with historian and acting Silas Craft Collegians Assistant Director, Marcus Nicks to explore how the past offers powerful lessons for building a more sustainable future and why history is more...

   Jul 7, 2025

   32m
2. 21

   Eco-Friendly Gardening in Howard County

   In this episode Bob sits down with Lauren Turner, the owner of Lauren's Garden Service and Native Plant Nursery. As a certified native plant landscape designer, Lauren shares her expertise on the importance of native plants, their benefits to the local ecosystem, and how her business has become a...

   Mar 31, 2025

   28m
3. 20

   Howard County's Path to a Fossil Fuel-Free Future

   In this episode Bob sits down with Doug Siglin, a renowned environmental policy and advocacy leader. Doug has been at the forefront of efforts to collaborate with local officials and environmental nonprofits in the region, particularly in Howard County, to eliminate the use of fossil fuels in new...

   Feb 26, 2025

   29m
4. 19

   Stormwater and Climate Change in the Chesapeake

   Bob and Dr. Adel Shirmohammadi, Professor in the Department of Environmental Science and Technology at University of Maryland College Park, discuss scientific research on the impact of climate change on stormwater and its effects on the Chesapeake Bay and our local environment, both rural and urban.

   Jan 14, 2025

   29m
5. 18

   Stormwater Management in Howard County

   Bob sits with Radhika Wijetunge as she explains her role and career in stormwater management as a civil engineer at the Howard County Department of Public Works.

   Nov 26, 2024

   27m
6. 17

   William "Bill" Mahoney

   In this episode, Bob hosts William "Bill" Mahoney from the Howard County Office of Community Sustainability for a conversation about improving our understanding of the many faces of "sustainability," working collaboratively alongside Ecoworks, and how Live Green Howard initiatives and awareness…

   more
   Oct 28, 2024

   29m
7. 16

   Fall for All Festival 2024

   Bob highlights Howard Community College's second annual Fall for All Festival, which is family-friendly and free and takes place on Friday, October 18. County schools are closed, so it's a perfect time to explore the HCC campus and enjoy fall festivities.

   Oct 1, 2024

   22m
8. 15

   Howard Community College Parent Scholars Program

   In this episode Bob talks with Brooke Barrick about HCC’s Parent Scholars Program. They discuss how Environmental and Social Justice impact student parents. And they give suggestions on what the HCC community can do to help sustainability efforts.

   Aug 26, 2024

   25m
9. 14

   Oakland Mills Community Association

   Bob talks with Warren Wortman, a long-time Howard County resident actively serving on the Oakland Mills Community Association board and chairman of the Public Space Committee about the different local approaches to serving the community, life as a master gardener, and exploring a newfound love…

   more
   Jul 31, 2024

   26m
10. 13

    Howard County Citizens Climate Lobby

    Bob talks with Sabrina Fu, the current environmental portfolio director at the University of Maryland Global Campus. Sabrina started volunteering for Baltimore CCL in 2013, and has taken on many other roles at CCL, including media lead, group leader of Howard County CCL (since 2015), liaison…

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    Jun 26, 2024

    28m
11. 12

    Howard County Office of Community Sustainability

    Bob talks with Tim Lattimer, Administrator of the Howard County Office of Community Sustainability, about his time working at the U.S. Department of State’s Office of Global Change, where he was part of the team that concluded the landmark Paris Agreement on climate change in 2015. He also…

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    May 30, 2024

    30m
12. 11

    Humane Gardening

    Bob Marietta chats with nature writer and advocate Nancy Lawson, author of “The Humane Gardener.” Read more by and about Nancy at https://www.humanegardener.com/.

    Apr 29, 2024

    22m
13. 10

    Watersheds and Forests

    Bob talks with former Columbia Association Watershed Manager John McCoy about Howard County's watersheds and water management systems, as well as local stream restoration and forest conservation efforts.

    Apr 1, 2024

    19m
14. 9

    Author and Environmentalist Ned Tillman

    Bob and local author and environmentalist, Ned Tillman, talk about his books, the development of Columbia, and the impacts of Climate Change. You can check out Ned's website at www.savetheplaces.com.

    Feb 28, 2024

    23m
15. 8

    County Highways and Storm Responses

    Bob chats with Bureau of Highways Chief, Kris Jagarapu. They discuss Howard County roads and the logistics of preparing for winter storms.

    Feb 1, 2024

    23m
16. 7

    Climate Change in Howard County

    Bob talks with Kim Pezza, chair of the HoCo Sustainability Board and CA’s Climate Committee, to discuss the local impact of climate change. They also discuss Howard County Climate Forward, the county's Climate Action and Resiliency Plan. Check it out at ClimateForward.howardcountymd.gov.

    Dec 11, 2023

    24m
17. 6

    Talking About Watersheds

    Bob is joined by the coordinator at Howard County Watershed Stewards Academy, Terry Matthews, and they talk about his career evolution, the mission of the Howard County Watershed Stewards Academy, changes we can make at home and in our community to better care for our water, and more.

    Nov 14, 2023

    25m
18. 5

    Learning About Howard EcoWorks

    Join our Green Dragon, Bob Marietta, and his guest, the Founder & Executive Director of Howard EcoWorks, Lori Lilly, as they chat about Lori's beginnings and passion for the environment, the role of EcoWorks in the Ellicott City flood mitigation projects, and other ongoing initiatives around our...

    Oct 9, 2023

    23m
19. 4

    Talking About Air Quality

    Join Bob Marietta and Professor Russell Dickerson from University of Maryland College Park, as they look at the differences between weather and climate, the quality of our air today and the contributing factors for it, pollutants, Canadian fires, what you can do to help, and much more.

    Sep 6, 2023

    25m
20. 3

    Talking About Conservation Landscape

    Learn all about conservation landscape, what it is, what it is not, and what Columbia Association is doing in our own backyard to eliminate invasive species and support native plant growth.

    Jul 17, 2023

    27m
21. 2

    Keeping Safe Skies in Maryland and Beyond

    One billion birds die every year in window collision creating issues for our environment and our finances too. Join Bob Marietta and his guest, environmental consultant and co-founder of Safe Skies Maryland, Mark Southerland, to learn why it is important to make efforts to stop bird collisions…

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    May 15, 2023

    23m
22. 1

    All About Composting

    Approximately 50% of our waste is compostable bringing great benefits to our planet, our community, and our finances. Tune in and find out how you can start composting at home with Bob Marietta and his guest, the Director of Commercial Sales & Accounts at Compost Crew, Rita Bernert.

    Apr 24, 2023

    23m