Solarpunk

The nordic countries, which tend to score higher on "Happiness Indexes," are Social Democracies. Social Democracy is a form of revisionist Marxism that believes Capitalism can be wielded for the benefit of all, not just the bourgeoisie.

Unfortunately, these same Nordic countries have been seeing a sliding of the Social Safety Net, similar to what has happened to America following the New Deal (though not nearly as bad yet). Additionally, Imperialism is still the dominant method by which these countries subsidize their safety nets, alongside a dependence on NATO.