Jennifer Bemisderfer says this involves thinking about a product's whole lifetime: "When those products are at the end of their useful life, how are they going to be broken down?

VOA: special.2010.01.26

He says that even during Chopin's lifetime, he was the best ambassador of Polish culture, and remains so to this day.

VOA: standard.2010.03.04

"This is big.This is personal. This is one of the most important debates of our lifetime,".

VOA: standard.2009.09.04

"Indescribable,unbelievable, everyone should experience this feeling once in a lifetime,".

VOA: standard.2009.08.05