| environmental health issues today | 1.95 | 0.4 | 8007 | 33 | 32 |
| global environmental health issues today | 0.49 | 1 | 2934 | 40 | 77 |
| major environmental health issues | 1.23 | 0.2 | 4941 | 33 | 40 |
| health and environmental issues | 1.12 | 0.7 | 7689 | 31 | 90 |
| issues in environmental health | 0.48 | 0.8 | 6125 | 30 | 56 |
| what are some environmental health issues | 0.33 | 0.4 | 8105 | 41 | 59 |
| list of environmental health issues | 0.51 | 0.7 | 8784 | 35 | 5 |
| top environmental health issues | 0.24 | 0.8 | 8648 | 31 | 74 |
| what are environmental issues today | 1.56 | 0.5 | 736 | 35 | 2 |
| major environmental issues today | 1.53 | 0.5 | 2460 | 32 | 16 |
| environmental issues that affect health | 0.59 | 1 | 7488 | 39 | 77 |
| current environmental issues today | 0.52 | 0.7 | 8541 | 34 | 26 |
| environmental issues news today | 0.05 | 0.9 | 7563 | 31 | 76 |
| what is environmental health problems | 0.3 | 0.1 | 5708 | 37 | 52 |
| what are environmental health concerns | 0.72 | 0.7 | 3790 | 38 | 85 |
| environmental issues in healthcare | 1.89 | 0.5 | 4115 | 34 | 64 |
| environmental health problems list | 1.48 | 0.9 | 280 | 34 | 21 |
