Where do we draw the political and ecological lines on climate change? How much carbon will the atmosphere take? Policy Innovations Managing Editor Evan O'Neil talks with Phil Aroneanu, director of creative media for 350.org, an international campaign to limit greenhouse gas emissions. Phil and Evan met last year on the inaugural Climate Ride from New York to Washington.
 
EVAN O'NEIL: Phil, the number 350 is your campaign's rallying cry. Where does it come from?
 
PHIL ARONEANU: 350 is the safe level of carbon dioxide in the atmosphere in parts per million. It's a concentration, and it's been going up for . . .(more...)

Climate Biz: By Tom Stoddard Offsetting greenhouse gas (GHG) emissions is like public education: Everyone is an expert on it, and opinions are posted all over the Internet like celebrity photos. In GHG compliance markets, governed by treaty and law, strict criteria are put in place to define what types of offset projects are acceptable and what conditions -- real, permanent, additional, etc. -- they must meet. Not everyone agrees with the rules. Discussions of additionality are tortuous. There are inevitable reports of imperfections in projects resulting from the protocols that are now in place. Nonetheless, projects designed to create (more...)