Mercury

This is then "washed" by his group at a makeshift plant to separate the gold using dangerous chemicals like mercury and sodium cyanide.

During the washing process, various chemicals, including mercury and cyanide, are used to help extract the gold from the soil, polluting big and small rivers.

Some parts of England could even see the mercury touching 23 or 24C by Wednesday.

When she was in middle school, Alaina Wood learned about an environmental disaster — a coal ash spill into the Emory River, west of Knoxville, Tenn., that released toxic sludge containing arsenic and mercury.

The mercury in downtown Los Angeles and the Long Beach Airport is predicted to reach 104 degrees and Los Angeles International Airport is expected to reach 93 degrees.