Hi Ken, David:
This is a really nice article! However, I take issue with a couple of
statements on biological methods:
1. You said "biological systems are relatively inefficient in their
ability to capture CO2. It is estimated that it would take
approximately 2.5 acres of crop land to remove the
uot;Ning Zeng"
To: "geoengineering"
Sent: Wednesday, September 29, 2010 7:58:36 AM
Subject: [geo] Re: The Need for Climate Engineering Research, in IS&T, by
Caldeira and Keith
Hi Ken, David:
This is a really nice article! However, I take issue with a couple of
statemen
