cotton in mobile phone
copper, prices boom, now they drop
there is no waste in nature, cradle2cradle concept, dont make it waste
make products out of processes
pigfarms, minerials, co2, algea, provide it to them
circular
energy comes from sun, sun is available for energy, New node
uranium is ending
livesience, is leading, micro algea
artificial leaves
improve photosyntens
engineers can fix problems
biological organisms
make energy out of plants
people
animals etc
is being mined
70 / 80 years left
prices are booming