And any nation that does not impose a carbon tax to combat global warming should face tariffs from other countries that do.

ECONOMIST: Globalisation

Here's something new to worry about: If you can't figure out how much carbon your company is pumping into the atmosphere, you could face fines or even criminal charges someday.

FORBES: Magazine Article

Such an approach makes fuel and feedstock production facilities the focus of accounting, he suggests, while treating the CO2 emissions from fuel end-use at face value regardless of the origin of the fuel carbon (bio or fossil).

FORBES: Rethinking Life-Cycle Fuel Regulations

In the face of an international inability to put the sort of price on carbon use that would drive its emission down, an increasing number of policy wonks, and the politicians they advise, are taking a more serious look at these other factors as possible ways of controlling climate change.

ECONOMIST: Climate change

The current U.S. astronaut aboard Mir, Mike Foale, has put on a happy face despite the setbacks, but CNN has been told a lack of oxygen and a surplus of carbon dioxide may have contributed to a series of onboard mistakes which threatened the health of the station and could have killed the crew.

CNN: Continued U.S. participation questioned