The 2 party system is kept alive by the electoral college that incentivizes 2 party voting. If there was actual proportional representation, I would agree.
Every country is different, and they all have their economic strengths. Ours happens to be relatively environmentally conscious resource extraction, and if we stop then that just drives demand towards other regions where things aren’t done to the same high standards.
The Biden administration has been directly addressing that crumbling infrastructure with the largest federal infra investment in modern history. It just happens to be boring so the media doesn’t talk about it.