Promote Dark Sky Cities

Promote Dark Sky Cities

Recent signers:
Wendy Herman and 19 others have signed recently.

The Issue

Light pollution is an often overlooked environmental issue that disrupts ecosystems, harms human health, and obscures the stars that have guided humanity for millennia. The excessive or misdirected artificial light emitted from urban areas oversaturates the sky, rendering the celestial wonders invisible to millions of people.

To address this problem, we call for more cities across the globe to be designated as "Dark Sky Cities." This initiative, championed by the International Dark-Sky Association (IDA), sets forth specific guidelines and regulations designed to reduce light pollution. These include shielding lights to limit upward spill, using lower intensity bulbs, and implementing curfews for non-essential lighting.

Evidence supports that by reducing light pollution, cities can save on energy costs, decrease carbon emissions, and create healthier environments for both wildlife and humans. A study by the National Optical Astronomy Observatory reveals that light pollution wastes nearly 30% of outdoor lighting in the United States alone, costing approximately $3.3 billion annually.

Beyond economic benefits, dark sky policies can significantly improve residents' quality of life. Reduced light at night is linked with better sleep patterns and reduced risk of health issues such as obesity and depression. Additionally, these measures aid in protecting nocturnal wildlife, whose natural behaviors can be severely altered by artificial lighting.

We urge city planners, policymakers, and environmental leaders to embrace this initiative by adopting the guidelines set forth by the IDA. We can restore our natural nightscape and enjoy the countless benefits a dark sky brings.

Join us in taking this step towards sustainability and environmental responsibility. Please sign this petition to advocate for the broader adoption of dark sky standards in cities worldwide.

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Recent signers:
Wendy Herman and 19 others have signed recently.

The Issue

Light pollution is an often overlooked environmental issue that disrupts ecosystems, harms human health, and obscures the stars that have guided humanity for millennia. The excessive or misdirected artificial light emitted from urban areas oversaturates the sky, rendering the celestial wonders invisible to millions of people.

To address this problem, we call for more cities across the globe to be designated as "Dark Sky Cities." This initiative, championed by the International Dark-Sky Association (IDA), sets forth specific guidelines and regulations designed to reduce light pollution. These include shielding lights to limit upward spill, using lower intensity bulbs, and implementing curfews for non-essential lighting.

Evidence supports that by reducing light pollution, cities can save on energy costs, decrease carbon emissions, and create healthier environments for both wildlife and humans. A study by the National Optical Astronomy Observatory reveals that light pollution wastes nearly 30% of outdoor lighting in the United States alone, costing approximately $3.3 billion annually.

Beyond economic benefits, dark sky policies can significantly improve residents' quality of life. Reduced light at night is linked with better sleep patterns and reduced risk of health issues such as obesity and depression. Additionally, these measures aid in protecting nocturnal wildlife, whose natural behaviors can be severely altered by artificial lighting.

We urge city planners, policymakers, and environmental leaders to embrace this initiative by adopting the guidelines set forth by the IDA. We can restore our natural nightscape and enjoy the countless benefits a dark sky brings.

Join us in taking this step towards sustainability and environmental responsibility. Please sign this petition to advocate for the broader adoption of dark sky standards in cities worldwide.

The Decision Makers

International Dark-Sky Association
International Dark-Sky Association

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Petition created on May 15, 2026