permacultures are some super carbon sinks, anti-erosion systems, absorption systems and organic food producers, each one is just a grain of sand (https://en.wik

permacultures are some super carbon sinks, anti-erosion systems, absorption systems and organic food producers, each one is just a grain of sand (https://en.wikipedia.org/wiki/Sorites_paradox https://en.wikipedia.org/wiki/Sorites_paradox), but many grains do the job along with lifestyle changes