Volunteers Work to Save Ash Trees

7.5 billion ash trees are endangered in the United States. (Photo...  ...s, Star Tribune) The culprit is the well-known emerald ash borer , an invasive Asian beetle that first arrived in M...  ...deral and state authorities have responded to the emerald ash borer by limiting...

http://www.neatorama.com/2009/11/06/volunteers-work-to-save-ash-trees/