Do we really want to play dice with our planet? Do we really want to play dice with our planet? A series in the Guardian recently declared “it’s time to talk about geoengineering.” So let’s talk about it. And let us start with some simple truths about this cluster of techno-optimistic “quick fixes” which purport to somehow offset our slow progress towards zeroing out planet-warming carbon emissions. Solar geoengineering proposals – reducing sunlight – have received the most attention, but a