May I submit a couple of ideas?
--Firstly, eco-haiku:
Eco-poetry
If science fails to convince
Maybe verse will work
--Secondly, parody (to the tune of "Robin Hood"):
CO2, CO2 you're not wanted here
CO2, CO2 in the atmosphere
Warming the earth, what will ensue?
CO2, CO2, CO2
Do I pass?