discover it's. the c.b.d. so cycles i can see there is a reduction in carbon dioxide concentration so underneath the glass dome the plant starts to photosynthesize very actively and the c o 2 absorption is much higher than c o 2 emissions from the ground. in other words the party is compensating for emissions from the ground that means that the complex plant and substrate is protective rather than harmful to the environment. poppies would seem to be a promising option. the scientists and begin are also investigating efficient irrigation systems even abundant greenery will die if it doesn't get enough water. out here for our projects are designed to show how little effort is required to ensure that a roof garden flourishes in the long term that the idea is for the plants to be