Evergreen Solar has not yet been able to locate the source of the noise pollution coming from its plant in Devens, MA. The deadline to resolve the issue is the 31st of May. Evergreen has tried repairing equipment in the plant, but the noise, described in this article from Devens News as a "pure tone," has not been silenced.  The company has brought in outside consultants to try to pinpoint the problem so that it … Read the rest