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

Halcyon's 52:52:52 campaign on Twitter will help you address 52 issues with 52 responses over 52 weeks.

To be a catalyst is the ambition most appropriate for those who see the world as being in constant change, and who, without thinking that they control it, wish to influence its direction - Theodore Zeldin

A Mundane Comedy is Dominic Kelleher's new book, which will be published in early 2020. We will be publishing extracts on this site and across social media during the first quarter of 2020. Please feel free to contact us with any questions about the book.

Environment

On Trees

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I wonder about the trees,” Robert Frost wrote. Monumental in size, alive but inert, they inhabit a different temporality than ours. Some species’ life spans can be measured in human generations. We wake to find that a tree’s leaves have turned, or register, come spring, its sturdier trunk. But such changes are always perceived after the fact. We’ll never see them unfold, with our own eyes, in human time.

On Meat

Beef

Our current meat-heavy system of food production seems to many unsustainable, a waste of resources and a source of pollution in the form of pesticides and hormones as well as methane gas from livestock manure.

On Biomimicry

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Visiting Luc Schuiten's Vegetal City exhibition in Brussels back in 2009 served as an eye-opening introduction to the potential that biomimicry might play in helping us design a sustainable future.

Many projects are already underway; some young architects are designing structures made completely out of living trees, while others are imagining how our great cities might return to their more natural state.

A related website tried to organise all biological information by function and asked the question - what we can we learn from this organism (e.g. any inventor, anywhere, at the moment of creation, could ask "how does nature remove salt from water?")