CO₂ is inherently dirty, except where it happens naturally. See for example: htt...

		Rygian 20 days ago \| parent \| context \| favorite \| on: America's Dirtiest Carbon Polluters, Mapped to Rid... CO₂ is inherently dirty, except where it happens naturally. See for example: https://iere.org/carbon-dioxide-an-air-pollutant/