Yes its methane, as shown below..
Apart from gas fields, an alternative method of obtaining methane is via biogas generated by the fermentation of organic matter including manure, wastewater sludge, municipal solid waste (including landfills), or any other biodegradable feedstock, under anaerobic conditions. Rice fields also generate large amounts of methane during plant growth. Methane hydrates/clathrates (ice-like combinations of methane and water on the sea floor, found in vast quantities) are a potential future source of methane. Cattle belch methane accounts for 16% of the world's annual methane emissions to the atmosphere
Apart from gas fields, an alternative method of obtaining methane is via biogas generated by the fermentation of organic matter including manure, wastewater sludge, municipal solid waste (including landfills), or any other biodegradable feedstock, under anaerobic conditions. Rice fields also generate large amounts of methane during plant growth. Methane hydrates/clathrates (ice-like combinations of methane and water on the sea floor, found in vast quantities) are a potential future source of methane. Cattle belch methane accounts for 16% of the world's annual methane emissions to the atmosphere
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It truly is methane. Methane can be recovered from garbage landfills, as shown in the link below.
In Brisbane California buildings were erected on an old landfill. Authorities required that gas detectors be located on the ground floor, to be sure escaping methane were to leak into the building.
In Brisbane California buildings were erected on an old landfill. Authorities required that gas detectors be located on the ground floor, to be sure escaping methane were to leak into the building.
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methane