The European Union (EU) has announced plans to levy a tax on airline emissions for all planes landing and taking off from EU airports. This tax would be calculated not only based on mileage flown in EU airspace but also for the entire length of the flight (thus, Chinese and Japanese airlines would be taxed for an entire journey from Beijing or Tokyo).

If the EPA proceeds with carbon regulation and power plants are forced to close, energy costs will climb and companies will have less money available for the very research on clean-energy technologies that we need in order to stay competitive with China and other countries.

With the collapse of cap-and-trade in Congress, it is no longer possible to avoid the inconvenient truth that serious carbon constraints are a non-starter.

What's needed is the strong arm of the European Central Bank to remove catastrophic risk from the marketplace without risking the bank's core mission of fighting inflation.

The reasons Exelon CEO John Rowe has talked up natural gas come down to economics, ecology, technology, and history.

The conclusion of adebate over policy responses to greenhouse gas emissions.

Tom Friedman wishes America could be more like China. Specifically, he wishes we could adopt their authoritarian style in pursuit of the so-called green revolution and clean energy.

In this economy, cap-and-trade is just too risky.