by admin | Jul 26, 2015 | Blog, Installations, North America, United States
According to the National Mining Association, the total number of coal miners in the United States fell from 705,000 in 1923 to 87,000 in 2008, while coal production increased from 565,000 tons to over one billion tons during the same period. The number of coal miners...
by admin | Jul 26, 2015 | Blog
FOR THE FIRST TIME IN HISTORY: Germany, the fifth largest economy in the world, in 2014 had 50% of its energy from solar and in on day in May 2014 over 70% of its total electricity from solar an wind. The United States 84% of all new electric power was renewable...
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