with and without homeless man sleeping on steps. - united states environmental protection agency stock videos & royalty-free footage01:22
zoom-out, mcu, static shot. dr. ernest sternglass, a radiation expert from the university of pittsburgh and long-time critic of the power plant,... - united states environmental protection agency stock videos & royalty-free footage00:13
environmental protection agency administrator william reilly defends the united states' record on environmental protection. - united states environmental protection agency stock videos & royalty-free footage00:13