AlterNet: E-mail this story
To:

Use commas to separate up to five addresses		 From:

Your e-mail address
Optional Message:

E-mail addresses are not recorded.   Privacy Policy »
 

Your recipient will receive an e-mail like this:

This has been forwarded to you from http://www.alternet.org by Your Address.

Your Message

-------------------------------------
Assessing the Jet Threat
http://www.alternet.org/environment/21225/

Although cars generate more greenhouse gases, airliner exhaust has an exaggerated effect, scientists say. Is it time to take action?
-------------------------------------