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Stroud Center

A schoolyard optimized for environmental education.

Improving Schoolyards for Outdoor Environmental Education and Stewardship

800 450 Stroud Water Research Center

Hear directly from teachers and Stroud Center education staff about a successful model for increasing equitable access to meaningful outdoor learning spaces.

Two scientists paddle on the Brandywine Creek in Pennsylvania during an algae bloom.

NSF REU Opportunity in Ecosystem Ecology

800 450 Stroud Water Research Center

This internship is part of a multi-disciplinary research project investigating the origin and transport of river algae in the main stem and tributaries of the Delaware River Basin.

An video still showing an aerial view of buildings near a lake in an arid environment.

Future of Water

800 451 Stroud Water Research Center

The scarcity of drinking water is beginning to capture the world’s attention but a radical source of water might just be found in one of Earth’s driest places.

A hand holding a chloride test strip near a creek.

Why Volunteers Are Tracking Down Road Salt in Streams

800 450 Stroud Water Research Center

With help from the Stroud Center, community scientists and watershed groups are measuring the impact of salt pollution on fresh water and taking action.

The Farm at Doe Run staff pose with the ribbons awarded to their cheeses.

Makers of Popular Mayfly Cheese Win at Farm Show

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The Farm at Doe Run produces some of Pennsylvania’s most sought-after creative cheeses, including the Mayfly, a Camembert-style cheese with a bloomy rind.

Raised beds in a healthy soil home garden.

Step Up Your Gardening Game With Healthier Soils

800 450 Stroud Water Research Center

Enhance your soils and local water quality by bringing the principles of regenerative agriculture to your home garden.

A group of scouts and leaders take a break from their service project.

Scouts From 12 Troops Tackle Hybrid Merit Badge Program

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Stroud Water Research Center educators hosted their second hybrid merit badge program for Scouts BSA this fall using an improved online learning platform.

Publication title with image of a mayfly

Arsenic and mercury distribution in an aquatic food chain: importance of femtoplankton and picoplankton filtration fractions

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Alowaifeer, A.M., S. Clingenpeel, J. Kan, P.E. Bigelow, M. Yoshinaga, B. Bothner, and T.R. McDermott. 2023. Environmental Toxicology and Chemistry 42(1): 225–241.

Collage of images representing our top 10 stories of 2022.

10 Most Popular UpStream Stories of 2022

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From Pennsylvania to Costa Rica, road salt to wildlife, rewind our top UpStream Newsletter stories of 2022.

Stroud Center educators give thumbs up as they prepare to take the Watershed Education Mobile Lab on the road.

Watershed Education Mobile Lab Advances Environmental Literacy

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Students and educators in the Shenandoah Valley explored watershed science with our mobile lab, learning how their actions impact the Chesapeake Bay.