Complex sentence: The Athalie Richardson Irvine Clarke Prize or "Clarke Prize", awarded annually by the National Water Research Institute (NWRI) of Fountain Valley, California, is a gold medallion and $50,000 award for demonstrated excellence in the fields of water science and technology.
Split into simpler sentences: The Athalie Richardson Irvine Clarke Prize, or "Clarke Prize", is awarded annually by the National Water Research Institute (NWRI) of Fountain Valley, California. It consists ofa gold medallion and $50,000 award for demonstrated excellence in the fields of water science and technology.