Since 2009, the Hong Kong environmental protection department receives each year about 200 ZongGuang pollution complaints. In 2012, for example, light pollution complaints case 225, in the category of complaint involving outdoor lights, shop signs and advertising signboard accounted for 45%. Look from the partition Numbers, yau tsim mong, between wanchai and central concentrated 40% of the complaints. Therefore, the university of Hong Kong department of physics, was launched in May 2010 monitoring network “” Hong Kong night sky brightness, measuring regional light pollution situation, the data so far collected more than 5 million night sky brightness, collect data for the global most similar investigation. After investigation, the study found that districts in Hong Kong, Tsim Sha Tsui near Space Museum for flooded with light boxes advertising lighting and reflector lamp to illuminate the sky, has become the first light pollution in Hong Kong, equivalent to 100 street light, the night sky brightness exposure to the same place. Hong Kong city, also to exceed bid one hundred times tin shui wai wetland park night sky brightness, and more than Bremen, Florence and other European cities of light pollution. In addition, the investigation team also found that evening at 8 and a half to 11, 12 stations in downtown, the average night sky brightness monitoring station nearly 10 times higher than 6 suburb, when public facilities and commercial lighting gradually closes after nightfall, the sky photometric also gradually decline, such as Space Museum stations often at 11 in the evening, 0 and 1 in the morning, all recorded sharply falling in the night sky brightness. Pan Zhensheng, assistant professor of department of physics, university of Hong Kong, said a lot of light is not pointing to the ground, the lighting and the security guard didn’t help, not only waste, and nocturnal creatures constitute a nuisance to people.
Policy, fact data, news, expert analysis… In, “light pollution” is coming, it’s on your me, we can also turn a blind eye?