AP Environmental Science Potter’s Pond experiment

April 13, 2021: Jim Lehner performs a water test of the Potter’s Pond water with his AP Environmental Science students. Lehner even demonstrated the use of a filter straw that removes bacteria and contaminants from the water. (Photo by Robert Falcetti/Taft)

AP Environmental Science Potter’s Pond experiment

April 13, 2021: Jim Lehner performs a water test of the Potter’s Pond water with his AP Environmental Science students. Lehner even demonstrated the use of a filter straw that removes bacteria and contaminants from the water. (Photo by Robert Falcetti/Taft)

AP Environmental Science Potter’s Pond experiment

April 13, 2021: Jim Lehner performs a water test of the Potter’s Pond water with his AP Environmental Science students. Lehner even demonstrated the use of a filter straw that removes bacteria and contaminants from the water. (Photo by Robert Falcetti/Taft)

AP Environmental Science Potter’s Pond experiment

April 13, 2021: Jim Lehner performs a water test of the Potter’s Pond water with his AP Environmental Science students. Lehner even demonstrated the use of a filter straw that removes bacteria and contaminants from the water. (Photo by Robert Falcetti/Taft)