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David Arscott and Rafa Morales stand in a stream in Costa Rica.
Tropical Research Reveals Climate Change Impacts on Water Quality
UpStream 2023, Issue #4
Stroud Center scientists continue to investigate how climate change influences tropical species and ecosystem dynamics.
A child in a wheelchair uses a net to capture creek critters.
Wild About Water
UpStream 2023, Issue #4
Creek Critters, a book for kids created in partnership with Stroud Water Research Center, inspires scientific discovery in a Utah school.
Jen Merrill in front of a blooming cherry tree.
From Marshes to Marketing
UpStream 2023, Issue #4
Former scientist Jennifer Merrill takes on a new role as the Stroud Center’s director of marketing and communications.
Farm equipment at Walmoore Holsteins.
Walt Moore, a Stroud Center Partner, Named Pa. Distinguished Dairy Producer
UpStream 2023, Issue #4
Moore models farm stewardship and environmental conservation through his operation and is recognized as a leader in Pennsylvania’s dairy industry.
Two people standing on the top of a mountain.
Thank You to Everyone Who Made the Wild & Scenic Film Festival a Success!
UpStream 2023, Issue #4
Trail Creek Outfitters’ 16th Annual Wild & Scenic Film Festival was back to its familiar indoor format with wonderful offerings from local restaurants.
Children and parents look at wild fish humanely captured from White Clay Creek.
Philly-Area Families and Friends of the Stroud Center Celebrate World Water Day for a Second Year
UpStream 2023, Issue #4
Squeals of delight echoed through the woods as children, along with their parents, got up-close glimpses of fish living in White Clay Creek.
Four elementary school students at outdoor environmental club.
Environmental Literacy and Justice for All
UpStream 2023, Issue #3
The Stroud Center is helping teachers bring meaningful STEM experiences to city students through environmental and outdoor clubs.
A debris dam of large branches catches leaves in a stream which then host macroinvertebrates and microbes.
How Fallen Leaves Are a Tree’s Gift to a Stream
UpStream 2023, Issue #3
Former Stroud Center intern and now restoration professional at the Alliance of the Chesapeake Bay, Rebecca Lauver reflects on a dietary staple of healthy streams.
A schoolyard optimized for environmental education.
Stroud Center Improves Schoolyards for Outdoor Environmental Education and Stewardship With New Grant
UpStream 2023, Issue #3
Hear directly from teachers and Stroud Center education staff about a successful model for increasing equitable access to meaningful outdoor learning spaces.
Diana Oviedo-Vargas downloading data from a sensor located in White Clay Creek to a field laptop.
Stroud Center Scientist to Serve as Nature Conservancy Trustee
UpStream 2023, Issue #3
Diana Oviedo Vargas, Ph.D., is to serve as a trustee of the Nature Conservancy in Pennsylvania and Delaware, the conservancy recently announced.
Closterium algae magnified 20x under a microscope.
A Fresh Look at River Algae in the Delaware River Basin
UpStream 2023, Issue #2
A novel method to evaluate how algal concentration changes during river floods may be key to more accurately predicting how to keep algae under control. 
A bronze statue of a rearing horse in a native plant meadow near a wooden barn and forest.
Partnering for the Planet
UpStream 2023, Issue #2
We’re excited to announce that our friends at GreenWeaver Landscapes have reinforced their commitment to the environment as a 1% for the Planet company.

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