Light pollution not improving, says CPRE | Eurasia Diary -

21 May, Tuesday

Light pollution not improving, says CPRE

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Just one in 50 people in England experiences nights that are free from light pollution, according to the results of a survey.

The work, carried out for the Campaign to Protect Rural England (CPRE), suggests the situation has not improved since it raised the issue 12 years ago.

The group says everyone should be able to witness the glory of a starry night.

But more than half the people taking part said they couldn’t see more than 10 stars in the constellation Orion.

The survey asked people to count the stars in this constellation as a measure of light pollution in their area.

Just a 10th of people could count up to 30 stars, whereas the Royal Observatory in Greenwich says that up to 40 could be visible to someone with a sharp eye on a clear night.

Only 2% of participants had truly dark skies which allowed them to see more than 30 stars.

That’s half the level of the previous Star Count in 2014. However, the CPRE can’t be sure how similar the group of people completing the last survey was to the one carrying out this one.

A record 2,300 people took part in the count, and the group says government, councils and the public should treat the issue more seriously.

Stargazing is not the only reason for craving the darkness: artificial light at night can rob people of their sleep and harm health. It can also have disruptive effects on wildlife.

Emma Marrington from the CPRE said the authorities should dim lights wherever feasible.

She also urged householders not to leave on outdoor lights overnight. Leaving them on has become increasingly affordable with the widespread use of LEDs.


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