What indisputable evidence do we have that fossil fuel burning rather than volcanic activity is responsible for major CO2 changes in the last century?

Question

Answer

We don't have evidence to prove or disprove this.

Answer

Isotopes of carbon clearly fingerprint fossil fuel burning as being responsible.

Answer

Isotopes of oxygen clearly fingerprint fossil fuel burning as being responsible.

Answer

Isotopes of nitrogen clearly fingerprint fossil fuel burning as being responsible.

Crowdly

What indisputable evidence do we have that fossil fuel burning rather than volca...

Want instant access to all verified answers on moodle.lsu.edu?