Ancient bronze tools unearthed in Sweden were made using copper from the Mediterranean, showing there was trade between the two cultures, archeologists have found.
The report considers how the use of coal contributes to affordable energy prices, and allows broader access to electricity and improved industrial competitiveness of economies in various regions.
Blankenship is expected to begin serving his time in California today, after being convicted of conspiring to wilfully violate mine safety standards at West Virginia's Upper Big Branch coal mine.
Canada’s largest pipeline company's first-quarter profit rose as record volumes carried on its main pipeline system helped shield it from a sustained drop in oil prices.