Download or read book Peril in the Ponds written by Judith Cairncross Helgen and published by Univ of Massachusetts Press. This book was released on 2012 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: When deformed frogs-many with missing legs or eyes, footless stumps, or misshapen jaws-began to emerge from Minnesota wetlands, alarm bells went off. What caused such deformities? Pollution? Ultraviolet rays? Biological agents? And could the mysterious cause also pose a threat to humans? Former government biologist Judy Helgen provides an inside view of a highly charged environmental issue that continues to spark controversy among scientists, politicians, and government agencies. Book jacket.