What percentage of the atmosphere do you think is CO2?
0.038% (i.e. <1%)
What percentage of the CO2 is man-made?
What percentage of the man-made CO2 does Australia produce?
0.00001% (i.e. <1% of <1%)
Is CO2 a pollutant?
No, it is a harmless, clear, tasteless and odourless trace gas vital for human existence on Earth.
(Don’t look if you believe the seas are rising!)
By the way, Harrow is a tiny dot near the western border of Victoria, Australia.