The Piedmont Environmental Council (PEC) a 501(c)3 nonprofit, was founded in 1972 to promote and protect the Virginia Piedmont’s rural economy, natural resources, history and beauty. Headquartered in Warrenton, VA, we have offices throughout a nine-county Piedmont region that includes Albemarle & Charlottesville, Clarke, Culpeper, Fauquier, Greene, Loudoun, Madison, Orange and Rappahannock.