 | Smog causes trees to lose leaves, slows their growth and causes leaf damage. |
| According to EPA, even at relatively low levels of ozone exposure, crops can suffer a 20-40% loss in productivity.(21) |
| Ozone exposure makes plants less productive by decreasing their photosynthesis and by causing leaves to die. According to EPA, even at relatively low levels of ozone exposure, crops can suffer a 20-40% loss in productivity. |
| Root development is inhibited by ozone. As a result the hydraulic capacity to provide the transpiring shoots with water is reduced. |
