1. A Systematic Carbon and Energy Balance of the Penn State Eco-Machine™ and the Implementation of a Vertical Farming System to Increase Duckweed Production Open Access Author: Belles, Eric Title: A Systematic Carbon and Energy Balance of the Penn State Eco-Machine™ and the Implementation of a Vertical Farming System to Increase Duckweed Production Area of Honors: Civil Engineering Keywords: Eco-MachineDuckweedcarbonenergy File: Download Belles_Honors_Thesis_Final_rev2.pdf Thesis Supervisors: Rachel Alice Brennan, Thesis SupervisorJohn Michael Regan, Thesis Honors Advisor