@32afc0f2 I did an image search and found this source with this caption: "The energy embodied in the production, manufacturing, packaging, distribution, and consumption of a box of cereal. The lines colored red (oil), blue (natural gas), and electricity (yellow) conceptually illustrate the accumulation of embodied energy and are not correlated to specific values. Source: Post Carbon Institute" https://education.resilience.org/present-food-system/
@32afc0f2 An image search for the other image brought me to this FB page: https://www.facebook.com/greeningthedesert2/photos/a.785635634885211/5313533435428719/?type=3&locale=ms_MY