RealClimate: Keystone XL: Game over?

The kind of climate we wind up with is largely determined by the total amount of carbon we emit into the atmosphere as CO2 in the time before we finally kick the fossil fuel habit (by choice or by virtue of simply running out).

Twitter / @Revkin: Solid look at climate impl ...

Solid look at climate implications of #kxl pipeline by Ray Pierrehumbert at RealClimate: [points to the "Game over?" post above]