https://en.wikipedia.org/wiki/Radiative_forcing
https://www.globalchange.gov/browse/indicators/annual-greenhouse-gas-index
https://gml.noaa.gov/aggi/aggi.html
However, on another note, instead of using the numbers above (in which I quoted the GWP Global Warming Potentials), NOAA and the EPA's warming influence based on Watts / m2 paints a different picture. Because CFCs, HFCs tend to disintegrate in the atmosphere due to sunlight + O3, luckily they naturally disappear.
GWP20 GWP100 Weight 1 CO2 2.111 1 1 0.52775 67.18651 2 NO2, N2O 0.52 1 1 0.13 16.54997 3 CH4 0.206 1 1 0.0515 6.556334 4 HCFCs, SF6 0.305 1 1 0.07625 9.707193 5 3.142 4 4 0.7855 100
You can see above with the Watts/M2 warming potential:
- 23.5% CO2 from Transportation
- 20.8% CO2 from Electricity
- 13.1% NO2 from Agriculture
- 10.7% CO2 from Industry (cement, etc)
- 8.9% HFCs, CFCs from aerosols.
- 7.4% CO2 from residential, commercial use.
It's clear aerosols only cause 9% of climate change, due to O3 reactions. On the other hand, CO2 is a nasty little pest.
In conclusion for REOs:
- EVs (NdFeB Perm magnets, La/Ce in batteries) will solve 23.5% of the climate change problem.
- Wind Turbines (NdFeB Permanent magnets) + perm magnets in new Nuclear Power Station turbines will solve 20.8%.
- New efficient aircons (NdFeB Perm mags) will solve 8.9%.
The other 13.1% from agriculture, 10.7% from cement / steel production can also be solved via more efficient processes.
We can try being more vegetarian, and consuming less meat, dairy etc since NO2 from fertilizers and manure management is a problem. Although this is up to the society to decide.
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