Episode summary

In Season 5 of Land and People, hosted by Melissa Chimera and Clay Trauernicht, and produced by Kaheāwai Media, we turn our attention to Oʻahu and the water issues that have been top of mind for so many after 2026’s extreme weather, beginning with the Kona lows. Along the way, we’ll also hear from experts across Hawaiʻi whose knowledge spans everything from rapid response after climate events to long-term stewardship of wai, ʻāina, and communities.

In our Season 5 premiere, we’re joined by Barry Usagawa, Water Resources Program Administrator at the Honolulu Board of Water Supply.

Barry traces his connection to land and water back to his upbringing in Hilo, his father’s work as a forester, and more than four decades in public service. The conversation explores watershed stewardship, extreme rainfall and flood response, climate adaptation, and the value of community-led, mauka-to-makai management of water systems on Oʻahu.

Key takeaways

• Healthy forests are essential infrastructure for reliable water.
• Extreme rainfall calls for long-term, integrated preparation — not just emergency response.
• Cultural knowledge and community leadership are central to sustainable resource management.
• Traditional practices based on Hawaiian ahupuaʻa management now guide the Board of Water Supply’s own approach

Chapters

00:00 ~ Welcome to Season Five
04:12 ~ Meet Barry Usagawa
11:37 ~ A Career in Water Service
20:57 ~ Land Use, Water, and Watersheds
29:29 ~ From Water Supply to Watershed Stewardship
34:29 ~ Responding to Flooding and Emergencies
45:22 ~ Climate Adaptation Through One Water
57:14 ~ Community-Led Water Planning

Topics covered

Watershed protection; public water systems; the Waiāhole Ditch case; flood preparedness; reservoirs and emergency response; climate adaptation; recycled water; seawater desalination; stream restoration; ahupuaʻa-based planning; community stewardship.

Credits

Guest: Barry Usagawa
Hosts: Melissa Chimera & Clay Trauernicht
Producers: Kaheāwai Media (Tyler Sonnemaker & Landon Tom)

Sierra McDaniel is the resources management program manager at Hawaiʻi Volcanoes National Park, having worked at the park for 25 years. She first came to Hawaiʻi as a biology undergraduate and then entered the University of Hawaiʻi at Hiloʻs Tropical Conservation Biology and Environmental Science masters program. She speaks to the challenges of working to conserve ecosystems, endangered species, and cultural values across the 354,461 acres, a place that hosts over 1.5 million visitors annually. We get into the challenges of changing ecosystems in response to fire on the landscape, the value of grounding the biological conservation work in Hawaiian lifeways and what it means to be in a place where volcanic eruptions are a constant presence.

In this episode, Melissa and Clay talk to Waikōloa Dry Forest Initiative executive director Jen Lawson and preserve manager Rob Yagi about their work to promote and restore one of the most endangered ecosystems in the world. Formed in 2011 to protect, promote, and restore a native Hawaiian dry forest after years of grassroots advocacy, the Waikōloa Dry Forest Preserve was established to protect many of the remaining native trees in the region. We get into Jen and Robʻs respective backgrounds in biology, how they came to Hawaiʻi through their stewardship of Pōhakuloa Training Area, and the unexpected rewards and challenges in helping to enhance the wiliwili forest that is so public facing, in the midst of fires, browsing goats and weeds.