This methane adds 10 % over and above the effect of CO2 if not passed through animals, about 90 parts per billion. (cfact.org)
As shown above this effect is much smaller than that of clouds. (sjsu.edu)
Results revealed that exposure to parental loyalty conflict behaviors and self - esteem were associated with psychological distress over and above the effects of parental bonding and age. (frontiersin.org)