http://climate.nasa.gov/blog/2323/snapping-into-a-clean-energy-future-think-you-could-do-it
Ha, if you know, you know
@PhilDAS started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
http://climate.nasa.gov/blog/2323/snapping-into-a-clean-energy-future-think-you-could-do-it