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Yes one ouf our tasks is to reduce enviromental impact to mine BioCoin choosing the (non-specialized) hardware which uses less electricity.
One of our project for the growth plan is to establish a solar powered Server to host a Bio MultiPool for the after PoW phase.
Solar energy is a field to research in heavily to reduce CO2 emmission, and we want to support any form of non industrial innovation.
nice intentions you maybe also want to consider biogas or syngas (highest possible energy recovery from waste and biomass) for mp operation.
wish you a good launch!