I'm sure most people are aware that dark skies and astronomers go hand in hand, but are you aware of just how high the amount of light pollution is getting these days? Well check out the picture below taken from the Campaign for Dark-Skies website
This shows the amount that light pollution has increased over the last 50 years in the city of Bath. Now there seems to be an argument over darker areas and safety, which I can fully understand, but look at the image at the top of the blog, thats the nigh time view of Telford.
What is the need to allow so much light to escape into the night sky? A fine example of how light pollution can be kept to a minimum is the Qatar race circuit, this race track is lit, and suitable for Moto GP racers to use at night, just look at the way the light is diffused just onto the track.
I can see that this is an expensive task to achieve, yet surely there must be someway to pass on this technology to suburbia? Think of your outside lighting, do you just illuminate your garden or the rest of the neighborhood as well, do you really need 500 watts to see?
The following are the aims of the campaign for dark-skies;