Last Sunday, the New York Times published an opinion piece by the astrophysicist Kelsey Johnson. Dr. Johnson is a professor at the University of Virginia in Charlottesville, the college originally conceived by Thomas Jefferson.
In the Times article, Dr. Johnson points out that "…. the global amount of artificial light at night has been growing by at least 2 percent per year. ... In the United States, east of the Mississippi there remain only...Read more
As knowledge and awareness of the health risks posed by fine particulate air pollution continues to grow so does the problem. Pollution from power plant smoke, dust and other kinds of fine particles is now recognized as a leading contributor to deaths worldwide. The journal Science reports in the April 27, 2018 issue that 95% of the world’s population now live in areas where airborne particulates exceed levels recommended by the World Health Organization. Between 2010 and 2016 average concentrations of fine particulate grew globally by an estimated 18%. Fine particulate air...Read more