Plants absorb light from the sun with their leaves, but many species will close those leaves when conditions become sub-optimal. It's something like that, I imagine. [and he could ramble on about his theories for hours... but he's trying to be normal right now. Even if it's hard to stay on topic, with all these ugly details coming to light. Why is it even a question that they should try to understand it, control it? He doesn't care what a plant thinks.

He smiles a little harder, somehow.] Let's save that discussion for another time. I care about your health, so it's a factor to me.

What do you want to have? Outdoor cooking isn't my specialty, but Dynamo can make a stove with a metal plate.