Incandescent

We Need to Talk About Light

By: Anna Levin

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Paperback | 26 April 2022

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Light is fundamental – it interacts with life in profound ways. But light is changing, dramatically, with artificial light pollution, and we don’t truly understand the consequences. Nature writer Anna Levin explores the impact on the planet and on human health.

Artificial light is voracious and spreading. Vanquishing precious darkness across the planet, when we are supposed to be using less energy. The quality of light has altered as well. Technology and legislation have crushed warm incandescent lighting in favour of harsher, often glaring alternatives. Light is fundamental - it really matters: it tells plants which way to grow, birds where to fly and coral when to spawn. It tells each and every one of us when to sleep, wake, eat.

We mess with the eternal rhythm of dawn-day-dusk-night at our peril. But mess with it we have, and we still don't truly understand the consequences. In Incandescent, journalist Anna Levin reveals her own fraught relationship with changes in lighting, and she explores its real impact on nature, our built environment, health and psychological well-being. We need to talk about light, urgently. And ask the critical question: just how bright is our future?

Industry Reviews

'A vital account of an increasing hazard.' Dr John Lincoln, Trustee, LightAware charity; 'This is an issue whose time has come.' Kevin Gaston, Environment and Sustainability Institute, University of Exeter; 'Details the disruptive effects of light pollution on the natural world, from the humble dog whelk to turtles ... Incandescent will make you more appreciative of "the ultimate low-energy lighting source": daylight.' Suzi Feay, Financial Times; 'Incandescent is a well-researched and written book, with accessible analysis and explanations supported by technical details about LED lighting's potential impact on human health and the wider environment. It throws an intriguing new light on an unanticipated problem that is only now becoming recognised.' Clive Simpson; Praise for Anna Levin's previous book, Otters: Return to the River: 'Stunning . . . a unique insight into these elusive animals.' BBC Wildlife Magazine; 'Captivating . . . a beautiful insight into behaviour that the rest of us would barely glimpse.' BBC Countryfile Magazine; 'Anna has caught the master at his trade and the rippling River Tweed and its lissom otters, and blended them together in these pages so that we can all be out there, with the dew forming on Laurie's long vigils, silent as snow, watching, watching...' Sir John Lister-Kaye;

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