SAN DIEGO - Geoengineering has been a hot topic at this year’s annual meeting of the American Association for the Advancement of Science (which publishes ScienceNOW). Science reporter Eli Kintisch chatted with Ken Caldeira, a geochemist at the Carnegie Institution for Science in Stanford, California, about the latest efforts to cool the world - and the possible risks of doing so. Listen to their conversation here and read Eli’s full write-up on the topic here.

So, here’s some real information on geoengineering. The chemtrail folks would do well to listen!