INTRODUCTION During the winter/spring of 2017, Plant Chicago Technology Coordinator Eric Weber and Plant Chicago intern Caitlin Hall began investigating the impact of greenhouse gas carbon dioxide (CO2) on the algae in our photobioreactor. A photobioreactor (below) is essentially a clear chamber where a mixture of water, algae and nutrients are exposed to air and light. They are used for things such as biofuel and photosynthesis research. In our case, the bioreactor is for th