| Global warming and climate change | 362 (36.2) | 510 (51.0) | 123 (12.3) | 5 (0.5) | - | 1,000 (100) |
| Electromagnetic wave (appliances, mobile phones) | 314 (31.4) | 539 (53.9) | 145 (14.5) | 2 (0.2) | - | 1,000 (100) |
| Endocrine-disrupting compounds | 251 (25.1) | 575 (57.5) | 171 (17.1) | 3 (0.3) | - | 1,000 (100) |
| Outdoor air pollution | 140 (14.0) | 582 (58.2) | 275 (27.5) | 3 (0.3) | - | 1,000 (100) |
| Food contamination | 154 (15.4) | 529 (52.9) | 306 (30.6) | 11 (1.1) | - | 1,000 (100) |
| Water pollution | 84 (8.4) | 471 (47.1) | 426 (42.6) | 19 (1.9) | - | 1,000 (100) |
| Radiation pollution | 160 (16.0) | 378 (37.8) | 419 (41.9) | 43 (4.3) | - | 1,000 (100) |
| Heavy metal exposure (lead, mercury, cadmium) | 183 (18.3) | 599 (59.9) | 210 (21.0) | 8 (0.8) | - | 1,000 (100) |
| River and marine pollution | 158 (15.8) | 611 (61.1) | 230 (23.0) | 1 (0.1) | - | 1,000 (100) |
| Soil pollution (gas station/abandoned mine/landfill) | 201 (20.1) | 592 (59.2) | 198 (19.8) | 9 (0.9) | - | 1,000 (100) |
| Noise and vibration | 177 (17.7) | 521 (52.1) | 286 (28.6) | 15 (1.5) | 1 (0.1) | 1,000 (100) |
| New chemical materials (nanomaterial) | 158 (15.8) | 574 (57.4) | 257 (25.7) | 11 (1.1) | - | 1,000 (100) |
| Indoor air pollution (home, office) | 80 (8.0) | 459 (45.9) | 445 (44.5) | 16 (1.6) | - | 1,000 (100) |