People use the best fertilizer to polute rivers and kill fishes. Thanks to toilet.
The holly sh... it's really holly. It can produce methane gas (combustible), fertilizer, and a brazilian research created a kind of bio-diesel using it.
Quote:
Originally Posted by sendler
The current economic model is completely incompatible with 7.5 Billion people trying to grow all of their own food with no fossil fuel or artificial fertilzer. Both of which will experience catastrophic reductions in availability in the next 40 years.
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