What services do you think people had for free earlier?
And you misunderstanding how capitalism works doesn't mean a carbon tax is against a free market any more than rules againat pouring nuclear waste into rivers goes against a free market. A free market had all sorts of rules to protect us from the excesses of capitalism, that's literally the entire point of anti-trust law, because the correct capitalist move for a company is to become a monopoly, which would be bad for consumers. Thus, we tame the excesses of capitalism.