Slide95

Slide96

Slide97

Slide98

An older study, comparing production methods of different plastics:

http://www.news.pitt.edu/news/Landis_polymers_LCA

developments in recycling PLA

http://www.loopla.org/cradle/cradle.htm

Artificial fertilizers do their thing

http://www.fertilizer.org/GlobalFertilizerTradeMap

Advertisement