And because we're not breaking down the plastic into molecules and recombining them, we're using a mining approach to extract the materials.

And the fellow in the vest there, Craig Toten, he has pushed forward to get documentation out to all the groups that are doing this.

Well, you look at modern hunter gatherers like aboriginals, who quarried for stone axes at a place called Mount Isa, which was a quarry owned by the Kalkadoon tribe.

In the '60s already, through the green revolution and the Haber Bosch process of fixing nitrogen from the atmosphere you know, human's today take out more nitrogen from the atmosphere than the whole biosphere does naturally as a whole.

They're disappearing in the heart of their range in Africa because the big multinational logging companies have come in and made roads as they want to do in Ecuador and other parts where the forests remain untouched to take out oil or timber.

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TJ I would still want to know that you could do that and get below zero by the end of the century, in terms of taking carbon out of the atmosphere, and solve the problem of biodiversity and reduce the impact on land use and do something about the erosion of topsoils and the quality of water.