High school environmental science taught via a Sustainable Pond The original space for the pond dig at the High School in California. The completed pond sits right outside of Advanced Placement Environmental Science (APES) classroom. Workers start on the "living lab" outdoor pond at the Redondo Union High School. The liner goes down. The Enviroscape team assembling the OASE Filter. The vertical Aquaponic system covered with flagstone on the bottom. The white tube will disappear when the leafy greens grow out. Pond is finished and the flagstone is about to be installed. [Show slideshow]