This piece in The Conversation by Kian Mintz-Woo raises an interesting point about where to put the carbon we sequester from the atmosphere as part of attempts to limit emissions and therefore global heating. While the answer for natural methods such as tree and seaweed planting might simply be “everywhere” it is a bit harder than might be expected when looking at more technological solutions. Many of the “best” places for storage are in places that have falling carbon emissions. Should they import sequestered carbon? Do we need to build storage into business models in places still increasing carbon emissions? Lots of interesting points demonstrating sustainability decisions are never easy.
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