In short. Episode 108, Fuel crops /

Episode 108 - Fuel Crops: Most of the matter that makes plant material comes from CO2 extracted from the air. By using crops to make fuel, any carbon released to the air has only recently been removed by the plant, so there is a zero net gain to atmospheric CO2.

Bibliographic Details
Format: Video
Language:English
Language Notes:In English.
Published: Derry, NH : Chip Taylor Communications, 2011.
Series:Academic Video Online
Subjects:
Online Access:Connect to this streaming video (Alexander Street Press)
Description
Summary:Episode 108 - Fuel Crops: Most of the matter that makes plant material comes from CO2 extracted from the air. By using crops to make fuel, any carbon released to the air has only recently been removed by the plant, so there is a zero net gain to atmospheric CO2.
Item Description:Title from resource description page (viewed May 06, 2019).
"A lesson on almost everything".
Physical Description:1 online resource (3 minutes)
Playing Time:00:02:32