This doesn't relate to the phytoplankton aspect of my research at all, it's more of a mental note as to how to test different ways of removing/absorbing/destroying greenhouse gases. I'd thought I wouldn't be able to do something like this because I wouldn't be able to contain samples of the gases, but one of my friends suggested that I use car exhaust fumes. I still don't know how or what I'd use them for, but I thought it was worth keeping in mind.