Solar radiation management (SRM) – a form of geoengineering – creates a risk of ‘termination shock’. If SRM was to be stopped abruptly then temperatures could rise very rapidly with catastrophic impacts. Two prominent geoengineering researchers have recently argued that the risk of termination shock could be minimised through the adoption of ‘relatively simple’ policies. This paper shows their arguments to be premised on heroically optimistic assumptions about the prospects for global cooperation and sustained trust in an SRM deployment scenario. The paper argues that worst-case scenarios are the right place to start in thinking about the governance of SRM.
Hi All
The computer climate models predict a fairly steady return to the trajectory of what would otherwise have happened over a period of ten years.
Would people who are
worried about the 'termination shock' prefer irreversible
solutions? Several irreversibilities are the likely result of
tipping points following a 'Do nothing, not even research'
policy.
Stephen
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