Climate change is the biggest challenge facing our world. On Oct. 24 stand up with thousand of people around the world and speak out to limit carbon dioxide to 350 parts per million. If you’re in Philly, meet me at Independence Hall: http://www.350philly.org.
Curious about why 350 parts of carbon dioxide per million?
See http://www.350.org/about/science
October 24, 2009 at 9:44 pm |
[...] Independence Mall and my 6-y.o. daughter As we previewed earlier this week, toda was International Climate Day of Action, featuring a well-coordinated around the [...]