The chair of DarkSky UK says special lights growing turf at football grounds can harm human health.
Some money will be used for tilted benches on the Northumberland coast for a better night-sky view.
The three North Yorkshire communities are the latest to be recognised over efforts to reduce light pollution.
Get to an area with low light pollution and look towards Orion to see the meteor shower, says BBC Weather's Sophia Herod.
Some local protestors are concerned a new wind turbine development could damage the area's dark sky park.
The Dark Skies Project aims to cut electricity consumption to protect wildlife, officials say.
Amateur photographer Lee Nuttall said the light-pollution free skies over Cornwall were essential.
While a number of UK national parks have dark sky status, there is not yet a designated dark sky city.
Astronomer Richard Darn says smartphones are making stargazing and astronomy more accessible.
![The northern lights. Vivid colours of yellow-green and pink scattered through a dark night sky with light cloud cover. A shadow of a person [centre] is facing away from the camera while looking up at them. They are surrounded by dark shrubbery.](https://bbcinsight.pages.dev/_bbc-assets/ichef.bbci.co.uk/news/480/cpsprodpb/1d1e/live/700664c0-62e7-11f0-964a-ff2f7d0da737.jpg.webp)
