Anthropogenic Emissions (image) Institute of Atmospheric Physics, Chinese Academy of Sciences Share Print E-Mail Caption Anthropogenic emissions generate aerosols and surface ozone. Ozone is detrimental to plant health while aerosol is beneficial for photosynthesis because it increases light availability of lower canopy through scattering. The net effect of ozone and aerosol is an inhibition of NPP in China. Credit YUE Xu Usage Restrictions None Share Print E-Mail 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.