The façade lighting at the top of the imposing tower in Salt Lake City changes color depending on the air quality.

“Blue wavelengths of light are damaging to many forms of life, and glare from unshielded light compromises road safety and infiltrates bedrooms, suppressing melatonin production, undermining sleep ...

In a world that seems to move faster every day, there’s a place in southern Idaho where the clock ticks a little slower and ...

Our round-up of the best in recent data journalism also highlights noise pollution in Singapore, India’s ditching of ...

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