Plotting the Technosphere Matrix#

Prerequisites

  1. local download of the correct Ecoinvent 3.9 database

  2. working Brightway installation (bw2io>0.7.8)

# brightway packages
import bw2data
import bw2io
# brightway type hints
from bw2io import SingleOutputEcospold2Importer

bw2data.projects.set_current("ecoinvent39")
bw2io.bw2setup()

print("Default biosphere flows:", len(Database("biosphere3")))
print("Default LCIA methods:", len(methods))

path_dir_datasets_ecoinvent39: str = '/Users/<USER>/<PATH_TO_ECOINVENT_39>/datasets'

ecoinvent39_importer: SingleOutputEcospold2Importer = bw2io.SingleOutputEcospold2Importer(
    dirpath = path_dir_datasets_ecoinvent39,
    db_name = 'ei39'
)
ecoinvent39_importer.apply_strategies()
ecoinvent39_importer.statistics()

bw2data.Database('ei39').graph_technosphere()

image