The US has a little over 4% of the world population, yet it's responsible for 15% of carbon emissions [1]. Even if the US is the only country to implement it, i

The US has a little over 4% of the world population, yet it's responsible for 15% of carbon emissions [1]. Even if the US is the only country to implement it, it would already make a huge difference. [1]: https://en.wikipedia.org/wiki/List_of_countries_by_carbon_dioxide_emissions https://en.wikipedia.org/wiki/List_of_countries_by_carbon_di...