mercoledì 2 dicembre 2015

NYT Science: With Coal Industry Under Pressure, Some See Long-Term Decline

With Coal Industry Under Pressure, Some See Long-Term Decline
By JOHN SCHWARTZ

Environmental regulations and rising competition from cleaner, cheaper alternatives have weighed on the industry.

Published: December 3, 2015 at 06:00AM

via NYT Science http://ift.tt/1N4BMe3