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Horticutral Lighting
When was the last time that you looked up at the sky to count the stars?
Nowadays, people who lives in cities hardly can see nice stars in the sky at night.
Why? Light pollution.
Light pollution, means the inappropriate or excessive use of artificial light, can have serious environmental consequences for humans, wildlife, and our climate.
In some countries, such as Chile, many people are Astronomy enthusiast. They love watching stars. So, the lighting projects in Chile usually have very strict requirements of light pollution control. The lighting product offered should be dark-sky friendly.
How to judge whether the light is dark-sky friendly or not? One of the criteria is 0 up light.
From the IES file tested for LED light, we can see up light data. For example:
It shows up light rate 0%. That means, all the lighting are shining downwards to the position where needed, it doesn't have a waste of light upwards, which wouldn’t cause light pollution to the sky.
If you would like to share other thoughts with us, welcome to contact AGC.
Watch the video and learn more about dark sky lighting:
