According to DHS "Environmental Justice Strategy..."
quote: PDF at Linky
In seeking to fulfill this vision, the Department of Homeland Security (DHS) aspires to avoid burdening minority and low-income populations with a disproportionate share of any adverse human health or environmental risks associated with our efforts to secure the Nation. DHS joins with other departments and agencies to appropriately include environmental justice practices in our larger mission efforts involving federal law enforcement and emergency response activities.
Also, EPA to ban Wood Burning Stoves. Wood burning stoves emit too much particulates, and cannot be sold for compliant stoves and must be scrapped. Will they use DHS to enforce this? LINK