We round up some of the chatter that's sparking discussion and debate amongst sustainable commentators

The Big questions

The Carbon Limited blog tackles a couple, including whether there is a battle brewing between the BRE and the UK Green Building Council and whether liquid biofuels for CHP systems are renewable or not.

West Country news

The Transition Town blog informs us of an interesting development. Somerset County Council has formally endorsed a proposal to become a transition authority, ie one that buys into the principles of reducing dependence on oil and embracing more sustainable communities

Celebrity news

Who’s the latest Hollywood star to show off his/her green pretensions? Apparently Pirate of the Caribbean star Johnny Depp is planning to power his newly purchased Caribbean Island with solar hydrogen technology

Who’s the greenest of them all?

A handy rating from across the Pond on the lowest and highest-emitting US states from Treehugger Is there a similar one for UK counties? We wonder?

New entry of the week

IT construction blogger Paul Wilkinson has started a new blog specifically focused on technology and software related to sustainability. Worth a look.