Is it possible for humans to deliberately re-engineer the world’s climate? And if it is, are the hazards of global warming severe enough to justify this? Over the last 10 years some scientists and environmentalists have argued that the world needs a radical technological fix for climate change, so-called ‘geoengineering’ or climate engineering. The prospect of such technologies being developed and maybe eventually used raises many important environmental, political and ethical questions. Geography students have a contribution to make to the answers.
The usual definition of geoengineering is ‘the deliberate, large-scale manipulation of the planetary environment in order to counteract human-caused climate change’. Geoengineering technologies aim to do one of two things:
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