| the air | 0.36 |
| nearby streams discharg… | 0.20 |
| cause asthma | 0.69 |
| affect water | 0.64 |
| affect the environment | 0.63 |
| cause heart disease | 0.61 |
| affect health | 0.53 |
| take light | 0.49 |
| cause cancer | 0.48 |
| take heat | 0.48 |
| threaten human health | 0.47 |
| cause illness | 0.47 |
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| death | 0.43 |
| climate change | 0.41 |
| smog | 0.37 |
| acid rain | 0.36 |
| stroke | 0.33 |
| birth defects | 0.33 |
| eye | 0.28 |
| bronchitis | 0.20 |
| uneven skin tone | 0.20 |
| imbalance | 0.20 |
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| point source | 0.37 |
| negative impact | 0.53 |
| adverse effects | 0.38 |
| the greatest impact | 0.25 |
| little effect | 0.25 |
| inflammation | 0.38 |
| headache | 0.20 |
| reduced | 0.74 |
| caused | 0.63 |
| caused by car | 0.57 |
| generated on the earth | 0.55 |
| prevented | 0.53 |
| caused by vehicle | 0.52 |
| caused by industry | 0.52 |
| detected | 0.51 |
| caused by fertilizer | 0.50 |
| generated | 0.50 |
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