Fertilizer effects of CO2 (IMAGE) University of California - Riverside Caption Figure shows that wildfires are much more responsive to the fertilizer effect of CO2 than to the greenhouse gas alone without considering this effect. Credit James Gomez/UCR Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.