Planning for one metre sea rise not enough?

BC Premier Gordon Campbell is seeking a consultant to determine a "sea level rise and extreme water level sensitivity index" for the province based upon an estimated sea level rise of one metre by 2100. (See Public Eye and The Hook).

More recent studies, detailed at Climate Progress, are suggesting that planning for a two metre rise by 2100 may be wiser:

• Sea levels may rise 3 times faster than IPCC estimated, could hit 6 feet by 2100
• High Water: Greenland ice sheet melting faster than expected and could raise East Coast sea levels an extra 20 inches by 2100 — to more than 6 feet.
• West Antarctic ice sheet collapse even more catastrophic for U.S. coasts
• Nature sea level rise shocker: Coral fossils suggest “catastrophic increase of more than 5 centimetres per year over a 50-year stretch is possible.” Lead author warns, “This could happen again.”

That Climate Progress article contains many more current references indicating that the 2007 IPCC predictions may have been conservative.