What are tar sands, and what problems are associated with their mining, processing, and shipping?
a) Tar sands are sedimentary rocks containing a heavy hydrocarbon compound called bitumen. Problems associated with their extraction include habitat destruction, water pollution, and greenhouse gas emissions.
b) Tar sands are large reserves of natural gas found underground. Problems associated with their extraction include earthquakes and ground subsidence.
c) Tar sands are renewable energy sources extracted from wind turbines. Problems associated with their usage include noise pollution and visual impacts.
d) Tar sands are deposits of coal formed from ancient plant matter. Problems associated with their mining include air pollution and acid mine drainage.
