. . . . "Documentary television programs"@en . "e² is a critically acclaimed, multipart PBS series about the innovators and pioneers who envision a better quality of life on earth: socially, culturally, economically and ecologically."@en . . "E2"@en . . . "E²"@en . . . . "E-squared"@en . . . . "E-two"@en . . . . . "Video recordings for the hearing impaired"@en . . . . . . .