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Lighting for Healthcare - Thorn

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Green matters<br />

For every kWh of energy 0.42 kg of CO 2<br />

is<br />

emitted and added to the ‘greenhouse’ gases in<br />

the atmosphere, increasing global warming<br />

GREEN MATTERS<br />

Sustainability<br />

Artificial lighting represents 19% of the electrical energy consumed<br />

worldwide.<br />

We have all witnessed cities alive with light from the air at night.<br />

We are all guilty of leaving lights burning unnecessarily at home or<br />

at work. We enjoy extravagantly lit shops and stores and mile after<br />

mile of perfectly lit, sometimes empty motorway stretching into the<br />

distance. This is unsustainable!<br />

<strong>Thorn</strong> have made a commitment to sustainability, to optimise the<br />

use of energy with technically innovative and intelligently controlled<br />

luminaires.<br />

The long term aim of sustainability is to conserve our eco-system<br />

and the human habitat <strong>for</strong> the next generations. However, there<br />

must be a balance between energy saving and human need, with<br />

particular regard to our health, well-being and safety.<br />

The challenges of globalisation and its resulting social issues<br />

must be addressed in an ef<strong>for</strong>t to create international equal<br />

opportunities, and a more equitable share of the earth’s finite<br />

resources. <strong>Thorn</strong> has a vision to be among the world’s leading<br />

brands in demonstrating progress toward sustainability. We aim to<br />

do this by reducing our environmental footprint through innovative<br />

product design and manufacturing, minimising resource and energy<br />

use. We will continue to apply these products and ideas in well<br />

conceived intelligent lighting solutions.<br />

Daylight and lighting controls<br />

Daylight, an infinite resource can be used in partnership with<br />

artificial lighting controls to conserve energy and hence add to an<br />

installations sustainability.<br />

Using daylight<br />

The use of natural light in any building connects us to the outside,<br />

to the weather conditions, a view to the world beyond and helps<br />

create a sense of the passing of time. This is particularly relevant to<br />

patients in hospital and residents in a care home. A connection to<br />

the outside, from a relatively unchanging environment inside, helps<br />

relieve the feelings of isolation and is a boost to morale and an aid<br />

to recovery.<br />

Our developing knowledge on the impact of light on circadian<br />

rhythms and health disorders such as seasonal affective disorder<br />

(SAD) provides important input when architects and planners are<br />

designing buildings. Daylight, whether from windows or atria,<br />

produces a variety of benefits and lighting effects, different to<br />

those provided by artificial lighting. Additionally the correct use<br />

of natural light has the added benefit of helping to reduce energy<br />

consumption and associated costs.<br />

© Richard Seymor<br />

4

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