And,the expression swan song has long been a part of the English language.

VOA: special.2010.04.11

Swan is optimistic that humans can take the necessary collective steps to address climate change and put the brakes on global warming.

VOA: standard.2009.12.10

Robert Swan says he is bringing to Copenhagen that same spirit that led him to the North and South Poles twenty years ago.

VOA: standard.2009.12.10

Swan did that and more. As he gained experience on his first expeditions, he developed a talent for raising money and hiring accomplished guides who could teach him.

VOA: standard.2009.12.10

And if you don't kill us I'll do my best to protect you.'" Swan has kept the promise, his eyes opened to environmental problems made worse by a warming climate.

VOA: standard.2009.12.10

The saga continued last year with New Moon,and now in Eclipse, headstrong high school student Bella Swan affirms her love for classmate Edward Cullen, a soulful and very pale teenager.

VOA: standard.2010.07.07