Articles from EarthTalk: Questions & Answers About Our Environment. A Weekly Column (September 30, 2007)

Title	Author	Type	Words
Dear EarthTalk: Is it true that biologists want to bring African and Asian wildlife to roam free in North America to help restore natural ecological balances here? If so, what are the implications for biodiversity and our environment?.			444
Dear EarthTalk: Is removing the salt from ocean water (desalination) a feasible fix for the world's shortage of fresh water?			550