Complex sentence: In May 2004 Flannery said, "I think there is a fair chance Perth will be the 21st century's first ghost metropolis" and in April 2005, "water is going to be in short supply across the eastern states".
Split into simpler sentences: In May 2004 Flannery said, "I think there is a fair chance Perth will be the 21st century's first ghost metropolis". In April 2005 he said, "water is going to be in short supply across the eastern states".