Tag Archives: ecology

Energy-Efficient Lights Could be Making Light Pollution Worse

Earth’s city lights. Image by Craig Mayhew and Robert Simmon/NASA GSFC.

City lights drive back the night a little more each year, disrupting ecological cycles, and the switch from orange-yellow sodium lights to bluish-white LEDs might be making the problem worse.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Artificial Light Pollution On The Rise Globally, LEDs Might Be Making It Worse

Union of Concerned Scientists Issues New “Warning to Humanity”

Photo by Patrick Kelley.

This week marks 25 years since more than 1,700 scientists, led by the Union of Concerned Scientists, issued a “warning to humanity” concerning the costs of continued environmental destruction.

Now, they’ve issued another — this one signed by 15,000 scientists representing 184 countries.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
25 Years Later, Global Scientists Issue Second Warning To Humanity