Solarpunk

That might be because you're perhaps thinking of anarchists as being absolute anarchists and communism being only the Marxist/Leninist version. Anarcho-communism can also include Democratic Confederalism, which hinges upon the idea of a bunch of tiny governing bodies working together as organic, voluntary coalitions (think native American tribes working together but remaining individually distinct).

The "anarcho" part comes from a fundamental rejection of gigantic governing bodies, and the "communism" part recognizes community as the fundamental and vital block in the overall structure.