Quote:
Originally Posted by redpoint5
Methane has a half-life of 7 years. What is the precise negative consequences of it being released?
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From the beginning of release, methane molecules' AGW warming is 100 times greater than CO2. In the 7th year, methane molecule rate of warming is 23 times that over CO2. When atmospheric methane reaches 6ppm in Earth's atmosphere (a positive feedback of AGW), methane will warm Earth as much as CO2.