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Cows and concrete don't involve burning things, but they do produce a large percentage of total CO2 emissions.
by smt88 5y ago
Cows and concrete don't involve burning things, but they do produce a large percentage of total CO2 emissions.
- tonyedgecombe 5y agoA long way behind heating homes and transport though.
- guerby 5y agohttps://en.wikipedia.org/wiki/Cement_kiln https://en.wikipedia.org/wiki/Cement_kiln 1400 degree to make the cement part of concrete. You could may be reach this by solar concentration, but currently we do burn stuff to make concrete.
- stephen999 5y agoCould you not use resistive heating powered by solar/wind/hydro? https://en.wikipedia.org/wiki/Joule_heating https://en.wikipedia.org/wiki/Joule_heating
- zejn 5y agoCorrect. With meat the important thing is to know the turnaround time, eg. how much time does it take for an animal to reach adult size. Bigger animals tend to have longer lives. More lifetime means more food, water, energy. Beef has really long turnaround time, pork is not much better, poultry is quite good, insects are really hard to beat. Eggs are also a great source of protein. Having your own chicken coop is not a bad idea, if you have the space for it. Cement is problematic because the CO2 comes from the process even if you use non-CO2 emitting fuels for heating up the raw materials, which eventually become cement. Alternative to cement is to use wood for construction, which I think is quite popular in the US.