The Earth is a finite planet.
Global denialists argue that Man's greed has endangered our existence.
I ask them to take a simple DIY test
Go to your garage and close the door.
Start your car.
Put on your favorite tune.
Twenty minutes later you are dead.
All Global denialists should take up the challenge.
There is only one result
Death from carbon monoxide takes less than three minutes at 12,800 ppm.