Tagged as Sunlight Energy

​ - Since the beginning of human history people have lived, worked and played outdoors during the light of day, active and vibrant, absorbing the full spectrum of light from the sky. An average of 10 hours each day, 70 hours weekly, was common for eons. But in less than just 200 years, millions of people have unwittingly become “contemporary cave dwellers” living and working indoors. This dramatic...
February 15, 2017