ELI5, Why is gass energy greener than coal energy?

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EU just decided that gass and nuclear is to be concidered green. I get why nuclear is alright, but since both coal and gass is basically just carbon in different states. Why then is gass better?

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Anonymous 0 Comments

Because natural gas [has about half the carbon footprint of coal on a per-kilowatt hour basis](https://en.wikipedia.org/wiki/Life-cycle_greenhouse_gas_emissions_of_energy_sources). Being able to generate the same amount of energy as coal with approximately half the emissions makes natural gas greener than coal by definition.

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