The godfather of geoengineering*

In this week’s Science there’s an interesting article about David Keith of Harvard University, who has long been one of the most prominent voices on the subject of geoengineering:

The article is particularly interesting in that it touches on issues of advocacy and financial conflicts of interest in in this nascent scientific field, as Keith has founded a company that pursues direct air CO2 capture.  He argues that there is a very important distinction among geoengineering technologies with regard to risk, i.e. that solar management technologies are inherently high-risk (there may well be significant negative side-effects that are regional or global in scale) and thus should only fall within the purview of governments, whereas air capture technologies lack these risks and thus are fair came for private enterprise (and researchers such as himself!).  Of special relevance to this blog, Dr. Keith has previously published on the potential role of geoengineering based on bioenergy coupled with CCS:

*Note: The distinction of “godfather of geoengineering” could alternately be argued for Ken Caldiera of Stanford

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