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Do mention the "G" word
Most people and nations now recognise the need to reduce greenhouse gas emissions to avoid dangerous climate change. However, there is a growing fear that this fragile support for action could be at risk because geoengineering - the large-scale manipulation of the environment to counteract climate change - is now receiving serious attention from scientists, policy-makers and the media.rnThis is sometimes referred to as the "moral hazard" argument. It holds that even discussing geoengineering methods, such as fertilising the oceans with iron or seeding clouds with sea water, may lead to a drop in support for emissions reductions because of a premature conviction that geoengineering could provide an easier way out.