Shareable

Welcome to the Shareable weekly links roundup, here are some pieces from around the web we thought you might enjoy. Click through on your favorites and leave us your own in the comments

• Registration is now open for Fertile Ground for Designing a Sustainable Future, a Shareable-sponsored conference next month in January.
   
• There's less than two weeks left to nominate writers for the "Fair Sharing of The Common Heritage" award, nominations are due January 5th.
   
• A holiday gift from app-developer Lonely Planet, thirteen of their world city guides have been reduced to free.
   
• Bike-sharing companies compete for a $7 million San Francisco Bay Area contract.
   
• For our readers in the Northern Hemisphere enjoying a chilly Winter: snow graffiti!
   
• Congratulations to new Creative Commons CEO Cathy Casserly.
   
• A game that lets you compose music through the unlikely instrument of SimCity-style urban planning.
   
• From Make, New York middle-schoolers running their own aquaponics fish farm.