Oct 22, 2013
Aug 30, 2013
The opening of the San Francisco Bay Area bike share on August 29, 2013, brings the combined fleet of shared bikes in the United States above 18,000, more than a doubling since the start of the year. The United States is now home to 34 modern bike-sharing programs that allow riders to easily make short trips on two...
Aug 22, 2013
Aug 22, 2013
Jul 11, 2013
We drink on average four liters of water per day, in one form or another, but the food we eat each day requires 2,000 liters of water to produce, or 500 times as much. Getting enough water to drink is relatively easy, but finding enough to produce the ever-growing quantities of grain the world consumes is...