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Star Count 2019 Results

Wednesday, 17 April 2019 20:34

Star Count 2019 Results

Help us enjoy a starry night says CPRE, as cosmic census reveals the scale of light pollution.

The Campaign to Protect Rural England (CPRE) is calling for action to tackle light pollution and enable more people to enjoy the beauty of a starry sky, as it publishes the results of CPRE’s Star Count 2019. A record 2,300 people took part in this year’s star count, which ran for the first three weeks of February.  

A special thanks from CPRE Oxfordshire to all those who took part locally.

Results of the survey, published today by CPRE, reveal that nationally just 2% of participants experienced the wonders of a truly dark sky full of stars, due to the impact of light pollution caused by street lighting and other artificial lights, even in the countryside.

The cosmic census, which was supported by the British Astronomical Association, aimed to promote dark skies and engage people in the wonders of stargazing. Star-spotters submitted the number of stars that they could see within the constellation of Orion and the results used to create an interactive map displaying people’s view of the night sky. But it also demonstrated the impact that light pollution is having on people’s view of the stars.

Well over half of all participants (57%) failed to see more than ten stars, meaning that they are severely impacted by light pollution. In contrast, only 9% of people experienced ‘dark skies’, counting between 21 and 30 stars, and just 2% experienced ‘truly dark skies’ and were able to count more than 30 stars – half the proportion of people able to do so during the previous Star Count, in 2014.

Given its detrimental impact – not just on people’s view of the night sky, but also the behaviour of nature and wildlife, as well as human health – CPRE is urging the government, local councils and general public to do more to limit the impact of artificial light from streets and buildings.

Emma Marrington, dark skies campaigner at CPRE, said:

‘We’re hugely grateful to the many people who took the time to get out and take part in our Star Count. But it’s deeply disappointing that the vast majority were unable to experience the natural wonder of a truly dark sky, blanketed with stars. Without intervention, our night sky will continue to be lost under a veil of artificial light, to the detriment of our own health, and the health of the natural world.

‘The Star Count results show just how far reaching the glow from street lights and buildings can be seen. Light doesn’t respect boundaries, and careless use can see it spread for miles from towns, cities, businesses and motorways, resulting in the loss of one of the countryside’s most magical sights – a dark, starry night sky.

‘By using well-designed lighting only when and where it is needed, investing in street light dimming schemes and considering part-night lighting – which should of course be done in consultation with the local community and police – councils have a fantastic opportunity to limit the damage caused by light pollution, reduce carbon emissions and save money.’

As well as urging councils to do their bit to tackle light pollution in their local areas, through innovative lighting schemes, developing policies to control lighting in local plans and ensuring that new development does not increase local light pollution, CPRE is reaching out to the public to play their part too. By ensuring that security and outdoor lights are only turned on when and where they are needed, everyone can do their bit to limit light pollution.


CPRE Oxfordshire, April 2019



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