[belltaco]

If you pee in the river once a month, but the municipality of the town upstream decides to release its entire sewage into it, does the river calculate the impact per-capita?

[adrianN]

If you kill somebody once a month but a government near you decides to start a war, does it make your murder ethically acceptable?

[belltaco]

Terrible analogy. Someone making a campfire, like humans did for thousands of years, isn't doing something remotely as bad as committing murder.

The analogy only works if what a single person is doing is inconsequential if they are the only ones doing it. Murder certainly does not belong there.

https://en.wikipedia.org/wiki/Tragedy_of_the_commons

Murder isn't a good example of it.

[adrianN]

I hardly think that the GHG emissions of countries other than China are inconsequential.