Originally Posted by Astra
The CO2 in CO2 a cartridge is environmentally neutral ie the CO2 in them is taken from the air in the first place - like burning trees. Eco-unfriendly CO2 is from oil, gas and coal ie the carbon WAS safely locked up underground until we dug it up and burned it releasing carbon into the air
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True, but the energy required to compress the gas and manufacture the bottles is petro/coal sourced.