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Carbon dioxide vs Methane - Coggle Diagram
Carbon dioxide vs Methane
Carbon dioxide
stem from
Nature: plant decay and volcanic eruption
Human activities: burn coal, oil, and natural gas
Account for about 80% of emissions in the US
Carbon cycle: a process of distribution between the atmosphere, ocean, and land
Methane
The second most abundant: account for only 11% of all emissions in the US
stem from
Nature: wetland areas, melting permafrost, and other microbial sources
Human activities: cattle farming, landfills, and the production of natural gas and other fossil fuels
Most significant greenhouse gases
Warming effect
Emitted as product of both natural processes and human activities
Contrast
Lifespan
CO2: thousands of years
CH4: a decade
Current status
CO2: been highest in hundreds of thousands of years
CH4: risen by 30% in just the last 10 years