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Part consultancy, part thinktank, part social enterprise, Halcyon helps you prepare for and respond to personal, organisational and societal change.

See Halcyon's unique reporting on the United Nations Sustainable Development Goals and contact us to discuss how we may be able to help you contribute to and/or create value from the SDGs.

Follow Halcyon's forthcoming 52:52:52 campaign on Twitter, which will feature 52 issues and 52 responses over 52 weeks.

Sun

On Sun(s)

The weird idea that Earth could be getting a second sun, at least temporarily, if Betelgeuse, one of the night sky's brightest stars, goes supernova, recalls a dream, many years ago, of climbing a ridge in the desert and seeing a dawn uncannily like this photo...

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