At source. Taxes on the sale of LNG, taxes on the production of GHG by power plants, fuel duty, potentially on activities like mining, etc.
Setting the rate is more complex, but anything at all would be a start.
Setting the rate is more complex, but anything at all would be a start.
It is still substantially more effective and easier than trying to look at literally every individual thing we do and guilt people into doing different things.
It's just not going to work, people will use AI anyway.