Environmental law assures that the environment be protected against both public and private actions to take account of costs or harms inflicted on the eco-system. Attorneys handle environmental law are involved in the protection of natural resources, land, and wildlife; regulation of harmful emissions into air and water; and monitoring of commercial and industrial activities for their impact on the environment. Environmental law attorneys also advise businesses on compliance with federal and state environmental laws.
Erwinna is an unincorporated community located in Tinicum Township, Bucks County, Pennsylvania, United States, with a zip code of 18920. At the 2000 Census the population was 577. It is named after Colonel Arthur Erwin (also "Irwin"), who was a leader in the Bucks County Militia. A concise biography of him has been created by the DAR Chapter bearing his name. Colonel Erwin is said to have supplied many of boats that were used by George Washington and the Continental Army to cross the Delaware on the night of December 25, 1776, en route to the Battle of Trenton the following morning. It is pronounced exactly as it as spelled, "er-WIH-na", though it is sometimes mispronounced "er-WEE-nuh" or "er-WAH-na".