The fundamental problem with subsidies is that they benefit the rich far more than the poor. They are as expensive as they are inefficient, failing to deliver any economic or social value equal to the money spent on them.
Maligning Al Gore for making shrewd investments is silly. But trying to poison public opinion about the need to promote clean energy alternatives with what we know about climate change? That's irresponsible.
Many businesses do not merely benefit from state intervention, but would sink without it. Liberals rarely confront the corporate interests that most rely upon Washington's redistribution of wealth to the powerful and socialization of risk.
So here's my message to governments: What's taking you so long? By all means negotiate new targets and goals for 2020 or 2030, for example to improve energy efficiency and massively increase the share of renewable energy worldwide.