Estimated read time: Less than a minute
This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in its archived form does not constitute a republication of the story.
PHOENIX (AP) — Grand Canyon National Park has been recognized for its work in reducing light pollution of the night sky.
The Arizona Republic reported Wednesday that the International Dark-Sky Association has named the Grand Canyon an International Dark Sky Park.
The park and the Grand Canyon Conservancy started retrofitting more than 1,500 light fixtures after it was given provisional dark-sky status in June 2016.
Workers put in lower-wattage LED bulbs and shields to focus the light on the ground.
The park says 67% of its lighting complies with association guidelines.
The park and conservancy aim to have 90% of the lighting meet standards by 2022.
___
Information from: The Arizona Republic, http://www.azcentral.com
Copyright © The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.