Recent changes in Chinese policy have caused the once-dropping value of coal to rise again on the international market, with Australia in particular reaping the benefits.
Tips from Germany’s Record-Breaking Solar Solutions
Germany’s solar power production often outstrips the rest of the world’s — even though the country is small and not known for sunny days. How can the United States learn from the European country’s success to increase its efforts in renewable energy production?
Ancient Silver Mine Discovered in Greece
Along the banks of the Aegean Sea, archaeologists have uncovered an ancient silver mine that’s nearly 5,000 years old.
Why Gold Mining is a Smart Investment
The gold industry is stronger than ever. Here’s why.
How Gravel Pits Work
There’s more to operating a gravel pit than meets the eye.