In what is perhaps the most widely-anticipated Earth Hour event, people across the world are getting ready to tune out of the grid and tune into their environment. One way to spend the self-imposed blackout is to simply look up; overcrowded city streets and light pollution often mean we miss (and frequently forget) how truly brilliant our night sky can be.
Do a Star Count for Earth Hour

Do a Star Count for Earth Hour
(via www.discoverychannel.ca)
Submitted by jennosborne on Sat, 2008-03-29 13:34. | Tags: science | EARTH HOUR | Earth Hour 2008