Of course there are ways to regulate it, but you cannot stop PoW as a concept from existing, nor can you stop the code from existing somewhere. So, even if one

Of course there are ways to regulate it, but you cannot stop PoW as a concept from existing, nor can you stop the code from existing somewhere. So, even if one of your plans worked out, someone would git clone Doge and start again. OTOH, it's certainly possible to stop carbon being burned within a country.