Its U.S. mining
operation saw pretax earnings decline by $ 44.3 million «primarily due to a volume reduction of 2.5 million tons
largely driven by lower natural
gas prices and a longwall move in Colorado,» the company said.
It is widely accepted by biologists that the new roads built to serve oil,
gas and wind energy production
operations may facilitate, or even directly allow, the transportation of invasive species, but specific cases are
largely undocumented, so scientists are forced to rely on their general knowledge regarding invasive species introductions.