Spring migration can be a deadly journey for billions of birds as they travel north. Several cities in the Midwest create an especially deadly path for birds where light pollution and buildings ...

The morning sun is hidden behind clouds facing the East Foothills during sunrise at the Palo Alto Baylands. Photo by Veronica Weber. For Palo Alto’s conservationists, the adoption of a “dark sky” law ...

The DesignLights Consortium (DLC) this month finalized a policy aimed at promoting installation of commercial lighting products that advance energy efficiency, drive adoption of controls, support ...

Gas heating in buildings leads to harmful air pollution. But creating policies to reduce that pollution is not easy.

Design Collaborative Partner and Senior Electrical Engineer, Kelsey Rowe, PE, CLD, explains how simple evaluations of ...

Single-family homes are being added to an Oceanside ordinance that requires apartment buildings, businesses and most other property owners to shield their outdoor lighting fixtures. Light pollution ...

Outdoor lighting for buildings, roads and advertising can help people see in the dark of night, but many astronomers are growing increasingly concerned that these lights could be blinding us to the ...

Starting this year, thousands of buildings in New York City will have to start reducing their carbon emissions. But before that happens, owners need to understand how much pollution they are ...

New research has revealed for the first time the full extent of how "Artificial Light At Night" (ALAN) is increasing carbon released by plants and animals across continents—without any increase in the ...