Today, from the New York Times green blog:

From just 10 stations and about 100 bikes downtown, one of the first municipal bike-sharing programs in the country is ballooning by a factor of 10: 100 stations and about 1,100 bikes are to spread around Washington and across the river in Arlington, Va., by the end of October.

Sharing stuff and services conserves resources and builds our ties with our neighbors—but it also saves money, sometimes a lot of money. The first step is to do an inventory and look at the ways you're already sharing; I bet you'll be surprised. Then ask yourself, what else can I share?

A month ago, we mentioned that Republican gubernatorial candidate Dan Maes is warning voters that Denver’s efforts to launch an extremely successful bike-sharing program are, in reality, an evil plot to convert "Denver into a United Nations community.” This being the 21st century and all, it didn't take long for an alert citizen to create a video dramatizing the Republican's courageous stance against bikesharing:

Air is the ultimate commons, something that no one can own but that everyone can access. But cruising through new discoveries on ScienceDaily, I discovered that we can get much more from air than just breath. Here are three cutting-edge technologies that allow us to pull resources right out of the air: