V. 1-2 originally broadcast on the television program Nova; volume 3 originally broadcast as a Nova/Frontline television production; volume 4 originally broadcast on the television program American experience.

Cinematographers, Rick Brandt ... [et al.] ; editor, Michel Chalufour ; music, Sheldon Mirowitz.

(1): Hosted by Tom and Ray Magliozzi ; narrated by John Lithgow.

(4): Narrator, Alex Chadwick ; Rachel Carson readings by Meryl Streep.

Car of the future: NPR's Car talk co-hosts Tom Magliozzi and brother Ray examine America's four-wheeled future, exploring everything from a Detroit auto show to the homebuilders of Boston's AltWheels Festival, from a hydrogen-powered bus fleed in Iceland to a green think tank in Colorado.

Saved by the sun: Examines efforts to make solar power more efficient and affordable, from individuals installing solar panels on their roofs to industrial-scale projects in the Mojave desert featuring massive arrays of mirrors. Also looks at Germany's goal to produce thirty percent of its electricty from renewable sources by 2020.

What's up with the weather?: Examines recent changes in weather patterns around the world, attempting to discover whether they are natural, temporary glitches in the global climate or the result of global warming.

Rachel Carson's silent spring: Examines Rachel Carson and her book, Silent spring, published in 1962, an exposé of the chemical industry's unregulated use of DDT.

DVD; NTSC, Region 1; (4 x 3) full screen presentation (v.3-4); letterboxed (v.2) or 16:9 anamorphic (v.1); Dolby digital.

Closed-captioned. (v.1-3).

Audio-described (v.1-2).