Fossil CH4 is quick and easy to set up and get up and running.

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The partnerships went by such names as GRP2, Green Earth Land General Partnership and CH4 Florida.

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Here, ice cores are more valuable (CO2, CH4 and volcanic aerosol changes).

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CH4 is worse than CO2 at trapping heat in the shorter term.

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Since fossil methane and biomethane are the same stuff, CH4, they can be combined in any proportion with no loss of performance in any application.

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The greenhouse gases surveyed include not only carbon dioxide but also methane (CH4), nitrous oxide (N2O), ozone (O3), and fluoride-containing gases that contribute to climate change.

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Methane(CH4) is both a fossil fuel(natural gas) AND a biofuel(biogas).

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