Rosenstiel Basic Medical Sciences Research Center, Brandeis University, Waltham, MA 02454-9110, USA. petsko@brandeis.edu
The new science geo-engineering doesn't try to alter a few corn plants; it aims to tinker with the entire planet, based on the notion that ultimately we can actively manipulate the planet to have any climate pattern we want. But there is no way we can ever assess all of the likely consequences.