P Pamella Andersen New member Jun 11, 2011 #1 impacts and volcanic eruptions? such as from the recent Chile Puyehue volcano?
L liberal_60 New member Jun 12, 2011 #2 CO2 released from volcanic eruptions is insignificant compared to human caused releases of CO2.
A AverageJoe New member Jun 13, 2011 #3 Yes. The last ice age ended when humans learned how to make fire. Human campfires caused the glaciers to melt.
Yes. The last ice age ended when humans learned how to make fire. Human campfires caused the glaciers to melt.
