Geoengineering is for some the salvation of our climate difficulties, but for others of it simply introducing a whole range of new, and even worse difficulties.

Professor Herbert Huppert (pictured) is presently touring around Australia delivering the Selby Lectures, a traveling fellowship for overseas scientists, talks (briefly) about geoengineering.

The professor was recently at the University of Melbourne and delivered the lecture: "Will Earth be too hot for your grandchildren to handle?" and it was after that lecture that he was asked about geoengineering and it was during his answer that he reflected on the fact that during all his well thought out and considered experiments that something always went wrong, just as it would geoengineering, the difference being, of course, that the experiment was not contained within a laboratory, but would impact on the whole world.

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